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Find mCD
Help please :/

Find mCD Help please :/-example-1

1 Answer

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Answer:

66°

Explanation:

Arc BCD is twice the measure of inscribed angle A, so is 2·56° = 112°. Arc CD is the difference between arc BCD and ard BC:

arc CD = arc BCD - arc BC

arc CD = 112° -46° = 66°

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