Question

Find the value of x. SIMPLEST RADICAL FORM

Answer 1

Below

Explanation:

Pythagoean theorem for right triangles:

hypotenuse ^2 = leg1^2 + leg2^2

x^2 = 10 ^2 + 7^2

x^2 = 149

x = sqrt 149 which is simplest radical form ( 149 is a prime number)