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steposvetlana [31]
4 years ago
9

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

Mathematics
2 answers:
Sphinxa [80]4 years ago
6 0

a° = 1/2 (90) = 45°

b° = 1/2[360 - (110 + 90)]

b° = 1/2(160)

b° = 80°

a°  + b° = 45° + 80° = 135°

Answer

135°

Scilla [17]4 years ago
3 0
A° = 1/2 (90) = 45°

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

a°  + b° = 45° + 80° = 135°

Answer
135°
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