with parallelograms.pdf - Section 5: Closing and Exit Ticket

 
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Finding the Area of Triangles by Composing Parallelograms

Unit 10: Area of Two Dimensional Figures
Lesson 6 of 14

Objective: SWBAT find the area of right, acute, and obtuse triangles by creating a parallelogram by using a second, equally sized triangle.

Big Idea: We can determine the area of triangles by creating parallelograms.

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8 teachers like this lesson
Subject(s):
Math, area (Measurement), Geometry, area of triangle
  65 minutes
trirangle area resized
 
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