It's possible to demonstrate and prove mathematically that the angle sum of every triangle is 180 degrees. The techniques used are useful for solving all kinds of other geometry problems too.

Each side of the Great Pyramid rises at an angle of 51.5 degrees to the top. Not only that, each of the sides are aligned almost exactly with true north, south, east, and west. For a pyramid to ...

In the ebb and flow of crowded crosswalks, a surprising pattern emerges: people can naturally form neat lanes of movement.

That angle is 300 degrees.So many awesome angles in our skatepark ... Neon City: Measurement and Geometry. Ada introduces Zach and Kayla to the concept of area, and different ways to measure ...