Question

Find the value of x in the isosceles triangle shown below.

a- x = 13
b- x=22
c- x =√44
d- x=√120​

Answer 1

A. x = 13

Explanation:

We use Pythagerean Theorem:

12^2 + 5^2 = x^2

144 + 25 = x^2

169 = x^2

13 = x

(I got 5 by taking half of the bottom.)