Question

If the measure of angle 1 is 110 and the measure of angle 3 is (2x+10), what is the value of x

Answer 1

< 1 and < 3 are vertical angles....they are equal

2x + 10 = 110
2x = 110 - 10
2x = 100
x = 100/2
x = 50 <===

Answer 2

2x+10=110
2x=100
x=50
A. 50 is correct