If two lines AB and CD intersect at O such that ∠AOC = 5 ∠AOD, then the four angles at O are

If two lines AB and CD intersect at O such that ∠AOC = 5 ∠AOD, the

1.	If two lines AB and CD intersect at O such that ∠AOC = 5 ∠AOD, then the four angles at O are
A.	40°, 40°, 140°, 140°
B.	30°, 30°, 150°, 150°
C.	30°, 45°, 75°, 210°
D.	60°, 60°, 120°, 120°
Answer» C. 30°, 45°, 75°, 210°

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If two lines AB and CD intersect at O such that ∠AOC = 5 ∠AOD, then the four angles at O are

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