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What is the measure of a
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2 votes
What is the measure of a

What is the measure of a-example-1
User TheWook
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2 Answers

2 votes

70º

It's a supplementary angle so 180º - 110º

User Mattia Ferigutti
by
4.9k points
6 votes

Answer:

a = 70

b=60

Explanation:

Angle a and 110 are supplementary, which means they add to 180 degrees

a+ 110 = 180

Subtract 110 from each side

a+110-100=180-110

a = 70

The three angles of a triangle add to 180

a+ b+ 50 = 180

We know a = 70

70 + b + 50 = 180

120 + b = 180

Subtract 120 from each side

120-120 + b = 180-120

b = 60

User Vinayakj
by
5.1k points
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