121k views
6 votes
Please answer this !!

Please answer this !!-example-1
User Modika
by
7.7k points

1 Answer

10 votes

Answer:

a=4.5

Explanation:

We know that the two angles are alternate interior angles, which means that they are congruent.

6a+42=18a-12

54=12a

4.5=a

User Xhinoda
by
7.1k points