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IM 6.1.5 Practice: Bases and Heights of Parallelograms

Author:GeoGebra Classroom Activities, IM 6 – 8 Math

Select all parallelograms that have a correct height labeled for the given base.

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The side labeled b has been chosen as the base for this parallelogram. Draw a segment showing the height corresponding to that base. Then, drag the "height" label next to your segment.

Find the area of each parallelogram.

If the side that is 6 units long is the base of this parallelogram, what is its corresponding height?

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Find the area of each parallelogram. Be sure to show your reasoning.

Do you agree with each statement below? Check all the statements you believe are true about parallelograms:

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For the statements below, indicate why you agree or disagree with each:

  1. A parallelogram has six sides.
  2. Opposite sides of a parallelogram are parallel.
  3. A parallelogram can have one pair or two pairs of parallel sides. 
  4. All sides of a parallelogram have the same length.
  5. All angles of a parallelogram have the same measure. 

A square with an area of 1 square meter is decomposed into 9 identical small squares. Each small square is decomposed into two identical triangles. What is the area, in square meters, of 6 triangles? You can use the app below to help explore or illustrate your thought process.

A square with an area of 1 square meter is decomposed into 9 identical small squares. Each small square is decomposed into two identical triangles. How many triangles are needed to compose a region that is  square meters? You can use the app below to help explore or illustrate your thought process.

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