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Constructions

Question

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In the figure, ABCD is a parallelogram, then

$fraction numerator ar left parenthesis space parallel to space gm space ABCD over denominator ar left parenthesis increment DPC right parenthesis end fraction space is colon$

1 : 2
2 : 1
1 : 3
3 : 1

Solution

B.

2 : 1

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.

ABCD is a quadrilateral and BD is one of its diagonals as shown in figure. Show that ABCD is a parallelogram and find its area.

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