Question

Find the third side of a triangle if its hypotenuse is 17cm and the length of one side is 8cm.


with detail​

Answer 1

We are given the hypotenuse and the length of one side.

Let the unknown side be x.

By Pythagorean theorem,

a²+b²=c²

So,

8²+x² = 17²

x²=225

x² = 15²

x=15

Thus the length of the other side is 15cm.