Prove two triangles are congruent by showing they satisfy one of four criteria. Find missing lengths by using the scale factor. The relationship between similar shapes may be expressed as a ratio.

Proving that two polygons have the same area can be as easy as cutting them up and rearranging the pieces. Gina the geometry student stayed up too late last night doing her homework while watching The ...

Maxine Calle is the 2023 AAAS Mass Media Fellow at The Conversation U.S. and she receives funding from the National Science Foundation. Mona Merling receives funding from the National Science ...

Are you a congruent leader? Here's how to tell. Congruent means "similar to or in agreement with something." Congruent leaders consistently walk the talk. They embody their brand. They're a ...