The length of the hypotenuse of an isosceles triangle is 50 m

Any isosceles triangle has 2 legs with the same length.
L=length of the leg in this isosceles triangle.

Applying the Pythagorean theorem :

(leg a)² + (leg b)²=hypotenuse²

In this case (isosceles triangle):

L² + L²=(50 m)²
2L²=2500 m²
L²=2500/2 m²
L²=1250 m²
L=+√(1250 m²)≈35.36 m

the measure of each leg will be 35.36 m. 

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Step-by-step explanation: