∠A and \angle B∠B are vertical angles. If m\angle A=(5x-9)^{\circ}∠A=(5x−9) ∘ and m\angle B=(8x-30)^{\circ}∠B=(8x−30) ∘ , then find the value of x

Parker Kemp asked Jun 8, 2022

89,681 views

28 votes

Parker Kemp asked Jun 8, 2022

3.0k points

Your comment on this question:

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

Email me at this address if my answer is selected or commented on:Email me if my answer is selected or commented on

Privacy: Your email address will only be used for sending these notifications.

23 votes

9514 1404 393

Answer:

x = 7

Explanation:

Vertical angles have the same measure, so ...

m∠A = m∠B

(5x -9)° = (8x -30)°

21 = 3x . . . . . . . . . divide by °, add 30-5x

7 = x . . . . . . . . . . divide by 3

2.5k points

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

1.6m questions

2.0m answers