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What is the value of a + b? 145 135 110 125
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4 votes
What is the value of a + b?

145

135

110

125

What is the value of a + b? 145 135 110 125-example-1
User TessavWalstijn
by
5.2k points

2 Answers

2 votes

a° = 1/2 (90) = 45°

b° = 1/2[360 - (110 + 90)]

b° = 1/2(160)

b° = 80°

a° + b° = 45° + 80° = 135°

Answer

135°

User Kevin Florida
by
5.8k points
1 vote
a° = 1/2 (90) = 45°

b° = 1/2[360 - (110 + 90)]
b° = 1/2(160)
b° = 80°

a° + b° = 45° + 80° = 135°

Answer
135°
User David Denenberg
by
4.4k points
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