What is the ratio of OA to AC?
(1) OD is half the length of DC
(2) The area of ADC is 20.
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What is the ratio of OA to AC?
(1) OD is half the length of DC
(2) The area of ADC is 20.
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What is the ratio of OA to AC? (1) OD is half the length of DC
What is the ratio of OA to AC?
(1) OD is half the length of DC
(2) The area of ADC is 20.
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