2 years ago

Solve for A HELP ASAP!!

Mathematics

1 answer:

Rasek [7]2 years ago

6 0

Answer: ∠A=144°

Step-by-step explanation:

∠A and ∠B are alternate exterior angles. Alternate exterior angles are congruent to each other. That means ∠A=∠B. Since we are given the measures of ∠A and ∠B, all we have to do is set them equal to each other.

10x+24=6x+72 [subtract both sides by 6x]

4x+24=72 [subtract both sides by 24]

4x=48 [divide both sides by 4]

x=12

Now that we found x, we need to plug it into ∠A.

10(12)+24=120+24=144

We know that ∠A=144°.

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