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Constructions

Question

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In the figure, ABCD is a parallelogram in which DC = 6 cm and AE ≅ DC, AE = 4 cm. The area of (ΔDCF) is equal to:

24 cm²
10 cm²
12 cm²
20 cm²

Solution

C.

12 cm²

Some More Questions From Constructions Chapter

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).

Parallelograms on the same base and between same parallels are equal in area. Prove this.

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