Tag «AAA similarity theorem»

Find the Height of things using shadows and the concept of similar triangles. More info here: https://en.wikipedia.org/wiki/Similarity_%28geometry%29#Similar_triangles

How Tall is My Flagpole Anyway?

Using the method used by Thales to find the height of the Cheops pyramid eons ago, you can find the height of anything that the sun casts a shadow of. ¬†Oddly, it seems that few people I know know this trick. I’m pretty sure I learned it in 6th grade geometry, maybe I taught it …