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What is the measure of angle A in the triangle?

What is the measure of angle A in the triangle?
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5 votes
What is the measure of angle A in the triangle?

What is the measure of angle A in the triangle?-example-1
User Sudden Def
by
8.9k points

1 Answer

4 votes
180 = 2x-10+x+30+70
180 = 3x+90
90 = 3x
x = 30

2(30)-10 =50
User Asjohnson
by
8.2k points
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