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Copy of IM 6.1.7 Practice: From Parallelograms to Triangles

Author:Ann Leach, IM 6 – 8 Math, GeoGebra Classroom Activities

Select all the segments that could represent the height if side  is the base.

Select all that apply
  • A
  • B
  • C
  • D
  • E
  • F
  • G
  • H
Check my answer (3)

Two copies of this triangle are used to compose a parallelogram. Which parallelogram cannot be a result of the composition? If you get stuck, consider using tracing paper.

Select all that apply
  • A
  • B
  • C
  • D
Check my answer (3)

Triangle R is a right triangle. Can we use two copies of Triangle R to compose a parallelogram that is not a square? If so, explain how. If not, explain why not.

A parallelogram has a base of 9 units and a corresponding height of  units. What is its area?

A parallelogram has a base of 9 units and an area of 12 square units. What is the corresponding height for that base?

A parallelogram has an area of 7 square units. If the height that corresponds to a base is  unit, what is the base?

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