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0
Answer:
70°
Step-by-step explanation:
30°+40°
= 70°
ye answer sahi hai
Answered by
0
Answer:
Join OB,
Consider triangle ABO,
OB = OA (radius)
Therefore ABO = OAB = 30°(angle opposite to equal sides are equal)
Similarly consider triangle OBC,
OBC = OCB = 40°
ABC = ABO + OBC = 30 + 40 = 70°
AOC = 2 ABC
AOC = 2×70 = 140°
HOPE IT HELPS.....
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