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# In the figure, ABCD is a rectangle, and the area of ∆ACE is 10. What

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Re: In the figure, ABCD is a rectangle, and the area of ∆ACE is 10. What [#permalink]
IMO C.

In the figure, ABCD is a rectangle, and the area of ∆ACE is 10. What is the area of the rectangle?

(A) 18
(B) 22.5
(C) 36
(D) 44
(E) 45

Sol:
1.Find the heinght of the triangle, base and area given, we get the height as 4.
2.The area of the rectangle=base * height=(5+4)*4=36.
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Re: In the figure, ABCD is a rectangle, and the area of ∆ACE is 10. What [#permalink]
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Re: In the figure, ABCD is a rectangle, and the area of ∆ACE is 10. What [#permalink]
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