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3 years ago

11

C is the midpoint of chord AB and D is the midpoint of arc AB.Given that AB=36 unit and CD=6 unit then What is the radius of cir

cle?

2 answers:

Anna71 [15]3 years ago

5 0

Answer:

By power of a point, AC⋅CB=DC⋅CE. That is, 12⋅12=6⋅(2R–6).

Then, R=15.

VladimirAG [237]3 years ago

5 0

Answer:

I don't know

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