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Old 03-31-2008, 12:48 AM   #1 (permalink)
ndcruz
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Arc & Semicircle



If arc PQR above is a semicircle, what is the length of diameter PR?
(1) a = 4
(2) b = 1

SPOILER: OA: D

Last edited by ndcruz : 03-31-2008 at 03:29 AM.
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