6, Lesson 19, Unit 3, Grade 7, EngageNY icon
Problem Set

Problem Set

Lesson 19. Unit 3. Grade 7 EngageNY


This Problem Set is a part of the Lesson 19, Unit 3, Grade 7. Students find the areas of triangles and simple polygonal regions in the coordinate plane with vertices at grid points by composing into rectangles and decomposing into triangles and quadrilaterals. Students extend their knowledge of finding area to figures on a coordinate plane. The lesson begins with a proof of the area of a parallelogram.

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