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
5.0k 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
6.0k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.9m questions

7.7m answers

Other Questions

Solve for y in terms of x. 2/3y - 4 = x y = x + 6 y = -x + 4 y = -x + 6 y = x + 4
Aliyah has $24 to spend on seven pencils. After buying them she had $10. How much did each pencil cost?
Use the normal model ​n(11371137​,9696​) for the weights of steers. ​a) what weight represents the 3737thth ​percentile? ​b) what weight represents the 9999thth ​percentile? ​c) what's the iqr of the weights
Evaluate a + b when a = –16.2 and b = –11.4 A. –27.6 B. –4.8 C. 4.8 D. 27.6
What is the value of x? (-4) - x = 5
Link Copied!