What is the measure of angle A?
2 answers:
Answer:
a = 127
Step-by-step explanation:
These angles are supplementary which means they add up to 180:
15 + a + 38 = 180
a + 53 = 180
a = 180 - 53
a = 127
angle a + 15° + 38° = 180° [ Linear pair]
a + 53° = 180°

So, a = 127°
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