Answer :
Answer:
x = 16
Step-by-step explanation:
Note that vertical angles are congruent, hence
4x + 20 = 84 ( subtract 20 from both sides )
4x = 64 ( divide both sides by 4 )
x = 16
Answer:
x = 16
Step-by-step explanation:
Note that vertical angles are congruent, hence
4x + 20 = 84 ( subtract 20 from both sides )
4x = 64 ( divide both sides by 4 )
x = 16