Phibo wrote:

Answer C is only correct if we know that AB is parallel to DE. But we dont know that for sure so answer E.

Or can someone pls tell me if a made a mistake?

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St : 1 DE is diameter

St 2 : Angle CDE and CED are equal.

Now Point C is on circle.

So angle C is 90 degrees.

Angle CDE and Angle CED = 45 degrees.

So DE parallel to line ACB.

Does this help?

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