If angle BAD is a right angle, what is the length of side

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by M7MBA » Mon Apr 22, 2019 6:08 am

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If angle BAD is a right angle, what is the length of side BD?

(1) AC is perpendicular to BD
(2) BC = CD

[spoiler]OA=C[/spoiler]

Source: Manhattan GMAT

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Source: Beat The GMAT — Data Sufficiency | Mon Apr 22, 2019 6:08 am

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