Question

ZA and ZB are vertical angles with mZA= x and mZB= 3x - 60. What is mZA? Enter your answer in the box. O Next

Answer 1

we know that

vertical angles are congruent

that means

msubstitute the given values

x=3x-60

solve for x

3x-x=60

2x=60

x=30

Find the measure of angle A

mtherefore

m