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Constructions

Question

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In the given figure, if ABCD is a parallelogram, CF ≅ AD and AE ≅ DC. If AB = 16 cm, AE = 4 cm and CF = 10 cm, the length of BC is :

5.8 cm
6.4 cm
7.5 cm
12 cm

Solution

B.

6.4 cm

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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