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

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asked Jul 8, 2019 164k views

2 Answers

Jason Axelrod · Answer 1 · 2019-07-12T10:42:45+0000

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