Register
∠A and ​∠B​ are vertical angles with m∠A=x and m∠B=5x−80. What is m∠A?
129k views
3 votes
∠A and ​∠B​ are vertical angles with m∠A=x and m∠B=5x−80.

What is m∠A?

User Daylily
by
7.6k points

1 Answer

4 votes
Vertical angles are equivalent.

Therefore A=B, which means x = 5x-80.

Solve for x:

x+80=5x
80=4x
20=x

Since A = x, and x=20. A = 20

The measure of angle A is 20 degrees.
User Andrei Sfat
by
9.1k points
← Prev Question Next Question →

Related questions

User Martimatix
asked Jan 5, 2018 172k views
∠A and ​ ∠B ​ are vertical angles with m∠A=x and m∠B=5x−80 . What is m∠A ?
Martimatix asked Jan 5, 2018
by Martimatix
7.9k points
1 answer
1 vote
172k views
User Zeneida
asked Dec 1, 2021 156k views
∠A and ​ ∠B ​ are vertical angles with m∠A=x and m∠B=5x−80 . What is m∠A ?
Zeneida asked Dec 1, 2021
by Zeneida
7.4k points
2 answers
1 vote
156k views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Other Questions

How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
Link Copied!