The formula for the area of a circle is derived from the formula for the area of a parallelogram.
After completing this tutorial, you will be able to complete the following:
In order for students to successfully complete this Activity Object, they should be familiar with the following shapes and their attributes:
Also, students should have a basic understanding of area.
NOTE: This Activity Object uses '3.14' as a measurement for ?.
Once the slices of the circle have been rearranged, the radius of the circle becomes the height of the parallelogram. Likewise, half of the circumference becomes the length.
|Approximate Time||15 Minutes|
|Pre-requisite Concepts||Students should know the attributes of circles and parallelograms, and should be able to calculate the area of a parallelogram.|
|Type of Tutorial||Visual Proof|
|Key Vocabulary||area, circle, parallelogram|