Question

Please Help!!!!

∠A and ​∠B​ are vertical angles with m∠A=x and m∠B=4x−30.

What is m∠A?

Answer 1

m<A=10

Explanation:

I left the image below to show my work of how i got to that answer. I hope this helps!

Answer 2

We know vertical angles have same measure!

Thus!

A = B

=> X = 4X -30

=> 3X = 30

=> X = 10

Thus measure of angle A is 10°