-
Area Formulas
- Area of a Rectangle
- Area of A Parallelogram
- Area Of A Triangle
- Area of a Trapezoid
- Area of a Circle
- Circle Area Dissection
This activity is also part of one or more other Books. Modifications will be visible in all these Books. Do you want to modify the original activity or create your own copy for this Book instead?
This activity was created by '{$1}'. Do you want to modify the original activity or create your own copy instead?
This activity was created by '{$1}' and you lack the permission to edit it. Do you want to create your own copy instead and add it to the book?
Area Formulas
Edward Knote, Rose Neal, Nov 18, 2017
Let's review the formulas for area of polygons and circles.
-
1. Area of a Rectangle
-
2. Area of A Parallelogram
-
3. Area Of A Triangle
-
4. Area of a Trapezoid
-
5. Area of a Circle
-
6. Circle Area Dissection
Area of a Rectangle
In this worksheet you will investigate the area of a rectangle.
Investigation:
1) Move the sliders Base and Height and describe what happens to the image.
2) What relationship does the number of squares have with the area of the rectangle?
3) Is there a way to find the number of square with out counting them?
4) What conjecture can you make about the formula for area of a rectangle?
Saving…
All changes saved
Error
A timeout occurred. Trying to re-save …
Sorry, but the server is not responding. Please wait a few minutes and then try to save again.