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In triangle ABC, <B = 40° and <c=100°. What is the measure of angle A?

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triangle ABC:

<A + <B + <C = 180

<A = 180 - (<B + <C), <B = 40° and <C=100° (given)

<A = 180 - (40 + 100)

<A = 180 - 140

<A = 40

answer: measure of angle A = 40


User Lenioia
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User Jamie Shepherd
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