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What is x=? I got part a but what does x=?

What is x=? I got part a but what does x=?-example-1
User Yissel
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8.6k points

1 Answer

5 votes

Answer:

I think x = 44°

Explanation:

Finding the exterior angle:

180° - 45° = 135°

We know that x is multiplied by 3 (3x) so we divide 135 by 3.

135° / 3 = 45°

We know that we have to add 3° to the product of 3x, so we know the product of 3x will be less than 135°. The product should be 135° after 3° is added to it.

Trying a few possible answers:

43° × 3 = 129°

129° + 3° = 132°

That one wasn't quite right.

44° × 3 = 132°

132° + 3° = 135°

:D

User Shanoo
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8.6k points

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