One side of the rectangle is 14cm shorter than the other, and half of its pyrimeter is 42cm. What are the sides of this rectangle?

univerkov | November 30, 2020 | education

Let’s denote one side by x, then the other will be x-14. If half of the perimeter is 42. The perimeter is 2 * (x + x-14), then half is exactly x + x – 14 = 42. Hence 2x = 56, x = 28.
Then the sides of the rectangle are 28 and 14 cm.

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