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Question

In the given figure, F and E are points on the side AD of Δ ABD. Through F a line is drawn parallel to AB to meet BD at the point C. Area of quadrilateral BCEF is equal to ________ .


A

area of Δ ACE

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B

area of Δ BFC

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C

area of Δ ABC

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D

area of Δ ABD

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Solution

The correct option is A

area of Δ ACE


(i) ABFC .... (given)

(ii) area Δ FCB = area Δ FCA ..... (triangles on the same base and between the same parallels are equal in area)

(iii) adding area FCE to both sides we get,
area Δ FCB + area Δ FCE = area Δ FCA + area Δ FCE

From figure we can notice BCEF can be divided into triangles FCB and FCE. Similarly, triangle ACE can be split into triangle FCA and FCE.

Area of quadrilateral BCEF = area of Δ ACE


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