O is the centre of the circle and angle AOB=70.Find angle OBA angle OAC
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Answered by
51
AS AO= OB
SO IT BECOMES ISOSCELES
therefore OAB = OBA
OAB + OBA + AOB = 180
2 OBA + 70 = 180
OBA = 55
AOC = 180- 70 = 110
AS AOC is isosceles
2 OAC+ 110 = 180
OAC = 35
SO IT BECOMES ISOSCELES
therefore OAB = OBA
OAB + OBA + AOB = 180
2 OBA + 70 = 180
OBA = 55
AOC = 180- 70 = 110
AS AOC is isosceles
2 OAC+ 110 = 180
OAC = 35
Answered by
16
Answer:
Step-by-step explanation:
AS AO= OB
SO IT BECOMES ISOSCELES
therefore OAB = OBA
OAB + OBA + AOB = 180
2 OBA + 70 = 180
OBA = 55
AOC = 180- 70 = 110
AS AOC is isosceles
2 OAC+ 110 = 180
OAC = 35
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