Geometry in Art by Collin Aldridge Parallel Lines- lines that

never cross. Q: What problems would there be in your picture if the lines were not parallel?

A: It would ruin the optical illusion entirely. Congruent- same size and shape. Q: What problems would there be in your picture if the objects weren't congruent?

A: If the rorschach wasn't perfect, Darth Vader would look a bit funny. Vertical angles- congruent angles across from each other, formed by intersecting lines. Q: Why do you think the person that created the vertical angles in your picture did so?

A: I think that a company did that to make the pencils they were selling look cooler. Perpendicular- intersection resulting in a 90 degree angle. Q: What would be a consequence if the lines were not perpendicular?

A: There wouldn't be any letters. Intersecting lines- lines that cross. Q: Why is it important that these lines intersect?

A: It makes the picture much more interesting to look at. Supplementary angles- angles that when added together have a sum of 180 degrees. Q: State what problems there would be if these angles were not supplementary.

A: The sculpture would look a lot less awesome. Proportion- an equation stating that two ratios are equivalent. Q: Why are your objects of different proportions, and why is this important?

A: The chair legs being much larger proportionally to the rest of the chair increases the strange, disturbing mood of the drawing. Adjacent angles- angles that have a common ray coming out of the vertex going between two other rays. Similar- same shape, but different size. Two dimensional- having only width and height; lacking depth. Surface area- total area of the surface of an object. Pythagorean theorem- theorem attributed to Pythagorus which states that the lengths of the two legs of a right triangle, when squared and added, will equal the squared length of the hypotenuse. Diameter- the distance across a circle, passing through the center. Three dimensional- possessing length, width, and depth. Volume- how much space an object takes up. Reflection Question What grade do you think you deserve? Why? How much time did you put into your scrapbook?

I think I deserve at least a 90, because it's a miracle I was even able to get this done with the three other projects I've been working on. I spent somewhere between 5-7 hours.

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# Geometry Scrapbook Project

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