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In Oo, mCD = 20 and CA - BD.What is mAB?
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In Oo, mCD = 20 and CA - BD.What is mAB?

In Oo, mCD = 20 and CA - BD.What is mAB?-example-1
User ChaChaPoly
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1 Answer

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Since the chords are congruent this means that arc CD and arc AB must be congruent too.

Therefore arc AB is 20.

User Opsocket
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