Find the sides of a rectangle if its diagonal is 26 cm, and the sides are 12: 5.

univerkov | December 6, 2020 | education

Let X be part of the side. Then, by the Pythagorean theorem, 144X × X + 25X × X = 676.
X × X = 676/169. So X = 26/13 = 2. So one side is 24, the other is 10.

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