Question

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Answer 1

Answer:

Join AD

Here, ∠ ADC = 1/2 ∠ AOC

= 1/2 x 104°

= 52°

Also, ADB = 90° (Angle in semicircle is right angle)

∴ BDC = 90° - 52° = 38°.

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Step-by-step explanation:

Answer 2

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Refer the attachment