Geometry: Perimeter & Area

Tim Brzezinski, Rachel Coleman, Sep 24, 2015

Geometry: Perimeter & Area Applets


  • 1. Area of a Parallelogram (Discovery)
  • 2. Area of a Trapezoid (Discovery)
  • 3. Area of a circle
  • 4. Area of Circles

1.

Area of a Parallelogram (Discovery)

The quadrilateral displayed in the applet below is a PARALLELOGRAM.[br](It will always remain a parallelogram, regardless of how much you choose to move one or more of its vertices around.) [br][br]Move the slider up top all the way to the right. As you do, observe what happens. [br](Be sure to answer the 2 questions that "follow".)
– Tim Brzezinski

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