If $CD$ is the diameter of the circle, does $x$ equal $30?$

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Vincen: Legendary Member; Posts: 2898; Joined: Thu Sep 07, 2017 2:49 pm; Thanked: 6 times; Followed by:5 members

If $CD$ is the diameter of the circle, does $x$ equal $30?$

by Vincen » Thu Jan 27, 2022 12:42 pm

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If $CD$ is the diameter of the circle, does $x$ equal $30?$

(1) The length of $CD$ is twice the length of $BD.$
(2) $y = 60$

Answer: D

Source: Manhattan GMAT

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