Question

A) Find the value of x,
b) State the postulate or theorem that justifies your answer.

Answer 1

a) x=60

b) I did (2x-70)+130=180 because each line is 180 unless it's a circle equaling 360

Explanation:

Answer 2

130+2x-70=180
60+2x=180
2x=120
x=60
Linear pair are equal to 180 degrees