SOLUTION: One side of a parallelogram, an altitude to that side, and one side of a rectangle all have the same measure. If an adjacent side of the rectangle is 20 centimeters long, and the a
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Question 1121885: One side of a parallelogram, an altitude to that side, and one side of a rectangle all have the same measure. If an adjacent side of the rectangle is 20 centimeters long, and the area of the rectangle is twice the area of the parallelogram, find the areas of both figures.
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
The area of a parallelogram is given by the base times the altitude, in this case: 
.
The area of a rectangle is given by the length times the width, in this case: 
.
Since the rectangle's area is twice the parallelogram, we can say:
Solve for the non-zero root, then calculate and
John
My calculator said it, I believe it, that settles it
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