# The sides

The sides of the rectangle are in a ratio of 3: 5 and its circumference measures 72 cm. Calculate:

a) the size of both sides of the rectangle

b) the area of the rectangle

c) the length of the diagonals

a) the size of both sides of the rectangle

b) the area of the rectangle

c) the length of the diagonals

### Correct answer:

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Pythagorean theorem is the base for the right triangle calculator.

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