Question

If (12x-18) and (5x+59) are vertical angles what is the value of x

Answer 1

x = 11

Explanation:

vertical angles are congruent (equal) , then

12x - 18 = 5x + 59 ( subtract 5x from both sides )

7x - 18 = 59 ( add 18 to both sides )

7x = 77 ( divide both sides by 7 )

x = 11