Unit 1, Lesson 7# From Parallelograms to Triangles

Open Up Resources 40 min(s)

Understand and explain that any two identical triangles can be composed into a parallelogram. Describe how any parallelogram can be decomposed into two identical triangles by drawing a diagonal. Let's compare parallelograms and triangles. Learning targets: students can explain the special relationship between a pair of identical triangles and a parallelogram.