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11 votes
11 votes
Find the measure of angle A.

71° x+49
+72

Find the measure of angle A. 71° x+49 +72-example-1
User Mark Snyder
by
2.6k points

1 Answer

20 votes
20 votes

Answer: 66 degrees

Explanation:

Sum of the angle measures is 180, so:

71 + x + 49 + x + 72 = 180

2x + 192 = 180

2x = -12

x = -6

Meaning the measure of angle A = -6 + 72 = 66 deg.

User Ali Rn
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2.4k points