Question

70
130°
find value of x.

Answer 1

The answer is x=40 degrees

Answer 2

x = 40º

Explanation:

The unmarked angle in the triangle is supplementary to 130

180 - 130 = 50º

The angle in a triangle total 180

x + 90 + 50 = 180

x + 140 = 180

Subtract 140 from oth sides

x = 40º