Question

What is the value of x? *

(10 Points)
(4x)"
72°
(5x)"
72°
8°
9°
12°

Answer 1

x =(1-√117)/2=(1-3√ 13 )/2= -4.908

x =(1+√117)/2=(1+3√ 13 )/2= 5.908

Explanation: