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GeoGebraGeoGebra Classroom

Parallelogram Area

Investigation: Move the slides and point F and use your observations to help answer the questions below.

1) If you only move point F describe what changes and what does not change about the parallelogram.

2) Using the hint slider to help you describe how the formula for the area of a rectangle is related to the area for a parallelogram?

3) What is different about the height of a parallelogram and the height of a rectangle?

4) Find the are of the following parallelogram. Use the tools to show your work.

5) Select the correct area of the parallelogram from question 4.

勾選所有適當的選項
  • A
  • B
  • C
  • D
核對我的答案 (3)

6) Find the are of the following parallelogram. Use the tools to show your work.

5) Select the correct area of the parallelogram from question 6.

勾選所有適當的選項
  • A
  • B
  • C
  • D
核對我的答案 (3)