In the diagram above, $BD = 5, CD = 10,$ and $AE = 40.$ What is the area of the shaded region?

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

by Vincen » Thu Jul 30, 2020 8:04 am

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In the diagram above, $BD = 5, CD = 10,$ and $AE = 40.$ What is the area of the shaded region?

(A) 175
(B) 350
(C) 775
(D) 1150
(E) 1575

[spoiler]OA=E[/spoiler]

Source: Magoosh

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Source: Beat The GMAT — Problem Solving | Thu Jul 30, 2020 8:04 am

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