Find the value of a In the isosceles triangle shown below.
8

Answer:
A. x = √41
Step-by-step explanation:
We need to take one triangle, so we'll split it in half.
This makes the base 4.
Then we use Pythagorean Theorem:
5^2 + 4^2 = x^2
25 + 16 = x^2
41 = x^2
√41 = x