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Problem 239

Geometry Difficulty 2.0 Find the answer CEMC Pascal

What is the area of rectangle PQRS PQRS if the perimeter of rectangle TVWY TVWY is 60?

A number or a short expression. Fractions can be typed as 3/2, and spacing doesn't matter.

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Official solution

The perimeter of TVWY TVWY is 60, so 12r=60 12r = 60 or r=5 r = 5 . The area of PQRS PQRS is 30×20=600 30 \times 20 = 600 .

Source: Omni-MATH, licensed Apache-2.0. Statement reproduced verbatim; metadata (topic, difficulty, ordering) added by this project.