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noname [10]
3 years ago
12

Point B is in the interior of ∠AOC, m∠AOC = 108°. Find m∠AOB, if m∠AOC = 3m∠AOB.

Mathematics
1 answer:
gayaneshka [121]3 years ago
7 0

If point is the interior of <AOC,

m<AOB + m<BOC = m< AOC 

(3m<BOC ) + m <BOC = m <AOC {m<AOB =  3m<BOC)

4m <BOC = 108  

m<BOC = 27 

m<AOB + m <BOC = m < AOC 

m<AOB = 108 - 27 

m <AOB = 81 

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Download doc
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