# Horses playground

The fence for the horses has the shape of a rectangular trapezoid with an area of 400 m

^{2}, the base lengths should be 31 m and 19 m. How many meters of boards will they need to fence it if the boards are stacked in 5 rows?### Correct answer:

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Pythagorean theorem is the base for the right triangle calculator.

See also our trigonometric triangle calculator.

See also our trigonometric triangle calculator.

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