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Constructions

Question

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In ΔABC, D, E and F are the mid-points of BC, CA and AB respectively. If ar(ΔABC) = 56 cm², then ar(AEDF) is:

21 cm²
28 cm²
16 cm²
14 cm²

Solution

B.

28 cm²

Some More Questions From Constructions Chapter

Which of the following figures lie on the same base and between the same parallels. In such a case, write the common base and the two parallels.

Prove that of all parallelograms of which the sides are given, the parallelogram which is a rectangle, has the greatest area.

In the figure, diagonals AC and BD of a trapezium ABCD with AB || CD intersect each other at O. Show that ar(Δ AOD) = ar(Δ BOC).

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