Measuring it has been no easy task; yet the first, foundational step in the calculation turns out to be something as simple ...

How to show the angles in a triangle add up to 180 degrees A simple guide on how to show the angles in triangle add up to 180 degrees, aimed at students aged 11 to 14. How to find the missing ...

Narrator: Geometry is how Math’s measures and describes the world around us, and can describe simple ... types of triangles. An equilateral triangle has equal sides and equal angles.