SOLUTION: The diagonal of a rectangle is 10 cm and is twice the length of one of the sides. What is the area of the rectangle (in sq. cm)?

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Question 422300: The diagonal of a rectangle is 10 cm and is twice the length of one of the sides. What is the
area of the rectangle (in sq. cm)?

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!

Hi
The diagonal of a rectangle is 10 cm and is twice the length of one of the sides.
One side 5cm: Applying the Pythagorean Theorem the other side is:
sqrt%28100-25%29=+sqrt%2875%29+=+5sqrt%283%29
A(rectangle) = L*W = 5cm%2A5sqrt%283%29cm = 25sqrt%283%29cm^2