The rectangles below have the same perimeter. What is the area of the pink rectangle?
What is the area of the pink rectangle?
The perimeter of the green rectangle is calculated as follows:
Perimeter = 2 * (7 in + 6 in) = 26 inches.
The pink rectangle has the same perimeter, so:
2 * (1 in + height) = 26 inches.
2 + 2 * height = 26
2 * height = 24
height = 12 inches.
The area of the pink rectangle is:
Area = width * height = 1 in * 12 in = 12 square inches.
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