Question

9. In Fig. 19.44, ABCD is a parallelogram and AD = 18 cm. The
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area of A ABE is –th of parallelogram ABCD.
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Answer 1

Answer:

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Explanation:

ANSWER

In parallelogram , opposite sides are congruent

Then AB=CD...2x+5=y+1.....2x-y=-4 .............(1)

And AD+BC.....y+5=3x-4........-3x+y=-4-5=-9...........(2)

Substructure (1) in to (2)

-x=-13 Or x=13

And y=-4-26=30

Then AB=CD =2×13+5=31

And AD+BC=3×13−4=35

AB:AD=31:35