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Maths Exercices
Using the Pythagorean Theorem to find the hypotenuse

We can use the Pythagorean theorem to find the hypotenuse of a right angled triangle, but only if we know the length measure of the two legs.

Find x

c2=a2+b2
c2=82+122
c2=64+144
c2=208



In a right triangle you know the legs are 20 and 15 units long.

Calculate the hypotenuse length

Solution: