Find $∠ D O C$ .

45^{o}

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50^{o}

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30^{o}

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65^{o}

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Solution

The correct option is C $30^{o}$
Congruent chords make equal central angles.
Here, one half of the angle is given. Hence, the value of $∠ A O B$ is $30^{o}$ and $∠ A O B = ∠ D O C$ .

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Similar questions

△ A B C \sim △ P Q R

∠ A = 30^{o} . ∠ R = 65^{o}

∠ Q

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