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What would be the measure of angle A?

A. 70 degrees
B. 79 degrees
C. 55 degrees
D. 44 degrees

What would be the measure of angle A? A. 70 degrees B. 79 degrees C. 55 degrees D-example-1

2 Answers

3 votes

Answer:

D

Explanation:

The sum of the 3 angles in a triangle = 180°

Sum the 3 angles and equate to 180

4x + 8x - 9 + 57 = 180, that is

12x + 48 = 180 ( subtract 48 from both sides )

12x = 132 ( divide both sides by 12 )

x = 11

Thus

∠ A = 4x = 4 × 11 = 44° → D

User Akaru
by
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4 votes

Answer:

D because that is the smallest angle on there baby doll

Explanation:

have a nice day sugar bear

User JanDintel
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4.7k points