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Formula For Parallelogram

Derive the formula for a parallelogram using only the formula for the area of a rectangle. It should make more sense for the student!


Area of Circle, Triangle, Square, Rectangle, Parallelogram, Trapezium, Ellipse and Sector

Applet contains a modifiable parallelogram that students can transform into another familiar figure (rectangle.) Since the area of the rectangle is the same as the area of the original parallelogram, students can then more readily see that the formula for the area of any parallelogram is Area of a Parallelogram = (Base Area)(True Height).

from Teachers Pay Teachers

The Area of a Parallelogram - A Discovery

This zipped folder contains the description of a lesson that will engage students in discovering the formula for the area of a parallelogram. The f...