Question

Find the value of x in the triangle shown below.

Answer 1

√80

Explanation:

Pythagorean Theorem: a^2+b^2=c^2

a = 4, b = 8

4^2+8^2 = 16+64 = 80

c^2 = 80

c^2 = √80 ≈ 8.94

Answer 2

It is the square root of 60 which is about 7.75