Triangle Search Results

How To: Explore and decipher fractal geometry and self-similar mathematics

There wouldn't be any chaos in the world without Benoit Mandelbort— chaos theory, that is. Mandelbrot, who just passed away at the age of 85, pioneered fractal geometry and greatly influenced chaos theory. He spent most of his life working in physics, biology and astronomy, and is best known for his Mandelbrot Set, a mathematical set of points in the complex plane (the boundary of which forms a fractal).

How To: Anatomize the human head, neck and skull

This is a special four-part series on the human head, neck and skull. Medical students can greatly benefit from watch this anatomy video series. Dr. Gita Sinha "dissects" all of the information pertaining to the head and neck. Dr. Sinha is Assistant Professor for the Department of Anatomy & Neurobiology at Dalhouse University. Each of these videos cover a different topic:

How To: Make ground-plantable paper pots for seedlings

This video demonstrates how to fold a newspaper seedling container using a simple origami method. This is a free idea that incorporates recycling. Not only do these paper containers stand up well to moisture, they also will break down in the soil if you place it directly into your garden. Begin by using one half sheet of black and white newspaper. Lay it out length wise and fold it in half from top to bottom. Then fold it left to right. Next turn the paper so it is horizontal with the open si...

How To: Put together a rose bridal bouqet

Weddings are very expensive and one way to say a little is to make or have you maid of honor make the wedding bouquet and the bridesmaids’ bouquets. You need a straight handle bridal bouquet holder and a stand to hold the bouquet holder in place while you work on it. You will need 12 roses fully hydrated and open.

How To: Make a folded paper printer's hat from a newspaper

In this Arts & Crafts video tutorial you will learn how to make a folded paper printer's hat from a newspaper. Take two sheets of newspaper and fold down the half way mark to make two triangles. Fold the bottom edge of the top flap and make it meet the bottom edge of the big triangle. Now fold this up again over the bottom edge of the triangle to make a big cuff. Flip it over, take the outside edges and fold them to meet at the center. Now take the bottom corners and fold them up like dog ear...

How To: Fold the iconic origami crane

Simple and easy way to fold an origami crane from paper! Use a flat sheet of paper. Fold into a triangle then into another triangle then open it up. push up on the one side so it turns into a square. Push up on the one side. Fold it in the opposite direction. Push it over. you have a square base. Take one of the flaps. Fold it over then unfold the crease. Open it up then with the crease fold it in, push it in. Lay it flat then crease. Open it up then crease it in the center. Fold it over. The...

How To: Pythagorean Theorem

What Is Pythagorean Theorem? Pythagorean Theorem is an equation discovered by a man named Pythagoras. It can be used to determine whether or not a triangle is a right triangle and find missing lengths of a triangle. The equation is: Parts of a Triangle

How To: Find surface area of a prism using a specific example

In this video, we learn how to find the surface area of a prism using a specific example. First you will need to find the base and height of your prism. If the base edge is 6 and the height is 8 you will do the equation Area= 1/2 bh. Doing this math out on your calculator, you will get the answer of 12.39. This is what the size of each triangle in the prism is going to be. The area of one pentagon (or the base) is 61.92 inches squared. If you need help with this, you can try drawing the pictu...

How To: Turn off your iPod Nano or iPod Classic

You can turn off both the iPod Nano and the iPod Classic the same way. To turn it off you have to push a button on the click wheel of the iPod. You will push and hold the play pause button until the iPod goes off. The play pause button is the one that has the two lines and the triangle side by side. Once you have held them down and the iPod has gone off then there is one more thing you need to do. On top of the iPod there is a lock button just move that button to the lock position and you are...

How To: Use Heron's formula

Area of a triangle can be calculated when you have the length of its base and height. In this case the area is 1/2 times the base and its height. If you do not know the height of the triangle but know the lengths of all the sides of the triangle then you can calculate its area using the Herons formula. First to use it you need to computer the semi perimeter of the triangle S, which is S = (a + b + c)/2, where a, b, c are the lengths of the sides of the triangle. Now the area of the triangle i...

How To: Create "next" and "previous" photo buttons in Flash

In order to add a Next or a Previous buttons in Photoshop, you will need to begin by selecting a photo. Double clip into MasterclipMC. Create Films Layer and make a new layer. Name it Next and previous. Create a rectangle. Use the Polystar options. Adjust the size to the appropriate size. Make a triangle. Place it in front of your rectangle. This is your arrow. Make a copy of it. Rotate one to point in the opposite direction. Name them Previous and Next. Drag them into position. Rename the bu...

How To: Draw anime character Sasuke step by step

Here is a very easy method to draw a Sasuke in a step by step process by the artist Jack of Jill. First draw a circle for the head part. Then draw two lines crossing through the circle to match the eye part. At the bottom draw a small triangle similar to chin. Now draw the real cheeks. Now draw a stick figure showing its body and hands. Draw other circle touching down to the first one. Now connect the circle with his hands to make his arms. Draw neck portion, so that it touches the shoulders....

How To: Make pigs in a blanket for a party with Betty

Pigs in a blanket are the perfect appetizer for any occasion. They are great snacks at Super Bowl parties, family functions or birthdays. They are easy to eat finger foods and with only 3 ingredients, require very little work or clean up! In this tutorial, Betty shows us how to make inexpensive pigs in a blanket with Vienna sausages. Enjoy!

How To: Fold an origami shuriken (ninja star)

A full guide to making the perfect ninja star. I've seen loads of videos of how to make Ninja Stars, and I don't have a clue what they mean. So I decided to make this how to video on paper ninja stars (aka shurikens) and it's easier to understand and follow, especially for young children. Pause the video at any time, if you think the timing is too fast, Enjoy! ;)

How To: Use the Pythagorean theorem in geometry

Need help figuring out how to determine the length of the sides of a right triangle? Need to know how to solve a matrix-form linear equation in algebra? From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test). With this installment from Internet pedagogical superst...

How To: Make your very own paper spinner

Evil Penguin Master demonstrates how to make a paper spinner. First fold a regular sheet of paper in half, defining the lines well. Then, cut the paper along the crease with scissors or tear it with your hands. Next, fold the halved paper again lengthwise. Then, fold down the corner. Flip the paper over and fold down the other corner so it forms a slanted rectangle. Repeat the technique with the other sheet. Lay the sheets on top of each other so they form an X or a star. Fold each triangle i...

How To: Fold a reliable paper plane

Origami artist Ana Maria shows us how to fold a reliable paper plane. Start off with a rectangular piece of paper and fold it down the middle. Then take one the of the edges and fold it in a way that it makes a triangle. After that repeat the process again folding the edges even further. Repeat this for the other side as well so that it is nice and even. After making all the folds properly open the page, not the folds made on the edges, then fold it again down the middle but now do it in the ...

How To: Make an Escher-esque tessellation

In this video, we learn how to make an Escher-esque tessellation. Start with construction paper, then make an equilateral triangle onto it. Next, make a shape on one end of the triangle, making any shape you would like. Now cut your shape out, then trace it onto another piece of construction paper. After this, rotate the shape over on the second piece of paper, then trace it out again. The lines should match up equally. You will then have one side left, which you will use to make any shape yo...

How To: Use a protractor in geometry

Omar, Hayley, Gary, and Autumn teach us how to use a protractor. They give a bit of information from About.com on the history of protractors. They are used to measure angles. The first protractor was used to help with navigation and invented in 1801. To measure an angle, line up the base of the protractor with 1 line of the angle. The center circle should be on the vertex of the angle. Use the "swivel thing" to find what degree the other end of the angle lines up with. If there isn't one, you...

How To: Make an origami gift box lid

Barbabella shows how to make a modular origami hexagonal box lid with star design. Fold a two-sided square sheet of paper to form a triangle, unfold it and fold it in the opposite direction. Using the guidelines fold the paper on three sides forming a small triangle and leave one end as it is. Turn over the sheet and fold the opposite side of the unfolded one as shown. Now mark the points as shown and fold it on one side. Now fold it to mark point below and the crease ends at the point marked...

How To: Make perfect croissants

In this how to video, you will learn how to make a croissant. You will need 130 grams of sugar, 100 grams of butter, 250 grams of butter, 200 grams of flour, 500 grams of milk, 20 grams of salt, 3 eggs, 1 kilogram of plain flour, 50 grams of yeast, and 1 vanilla pod. First, melt 100 grams of butter for about 15 seconds in the microwave. Add the melted butter into the mixer. Add the 3 eggs, sugar, vanilla, and salt. Mix everything together. Next, add the yeast and then continue to mix. Add mil...

How To: Make a fashionable lace cardigan

In this tutorial, we learn how to make a Lace Cardigan with the Sewing Studio. First, you will need to gather all of your tools and the material. Now, cut out a piece of fabric into a large rectangle. Now, draw and cut out the pattern from the diagram you see in the video. After this, finish up the raw edges with stitching, then line up the two lower edges and sew along the edges. This will be the seam on the center back of the cardigan. Next, attach the triangle to the top of the neckline an...

How To: Find the sine, cosine & tangent of an angle in trig

Need help figuring out the sine, cosine, and tangent of an angle in a right triangle? Need to know how to solve a matrix-form linear equation in algebra? Need help solving problems involving 45°-45°-90° right triangles? You're in luck. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or stu...

How To: Graph trigonometric functions

Learn how to graph the amplitude and periods of sine and cosine functions in basic trigonometry. Learn how to use trigonometric functions to calculate the sides of a right triangle. Need to know how to solve a matrix-form linear equation in algebra? From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your h...

How To: Decorate a cake using pastry bags and cones

In this video, we learn easy cake decorating tips and ideas. To make a pastry cone, you just need parchment paper! First grab a square of parchment paper then fold into a large triangle. Now, open the square up and cut where the line is in the middle. Grab one of the triangles you just cut and wrap it into a cone shape, taping the tip so it will keep shape. You can now add icing and will be able to pipe and write words with ease. Cut a small hole depending on what type of piping you want to d...

How To: Tie your hair up in a scarf for sleeping

In this video, we are given instructions on how to tie up hair at night before going to sleep. You will nee a satin scarf to do this. First you will make your scarf into one large triangle. After this, clip your hair up in a large clip on the back of your head. Now, put the satin scarf over your forehead and over your entire hair. Now, tie the scarf around your neck and make sure it's secured in the back. you can now remove the clip and take the tie and tie it in the back. Now, take a satin b...

How To: Draw Stewie from "Family Guy" easily

In this video, a young boy shows us exactly how simple and easy it is to draw Stewie from "The Family Guy". Using a piece of paper and a writing or drawing instrument, anyone can learn how to draw this easy cartoon character's face. You should start with the outline of his head, which is a football-like shape. Then, draw two circles for his eyes, adding sharp sloping lines for his eyebrows. His nose is half a triangle and his mouth is a half-grinning sideways check mark. You can then add deta...