Question

What is the value of x?
(2x - 5)°
n
l
m 45°

Answer 1

x = 70

Explanation:

(2x - 5) and 45 are same- side interior angles and sum to 180° , that is

2x - 5 + 45 = 180

2x + 40 = 180 ( subtract 40 from both sides )

2x = 140 ( divide both sides by 2 )

x = 70