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Question

In the figure, ABCD and EFGD are two parallelograms and G is the mid-point of CD. Then A(ΔDPC) = xA(EFGD). Find x.

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A
1/2
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B
1/4
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C
1/8
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D
1
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Solution

The correct option is C 1
Given-
ABCD & EFGD are two parallelograms.
Their bases DC & DG are on the same line DC and G is the mid point of DC.
Also, ABCD & EFGD are within the same parallels AB & DC.
To find out- The statement, arΔDPC=12arEFGD is true or not.
Solution-
ΔDPC & ABCD are on the same base DC
And within the same parallels AB & DC.
arΔDPC=12ABCD .......(i)
Again, G is the midpoint of DC
DG=12DC ......(ii)
Now, paralleograms ABCD & DGEF are on the same base line DC
And within the same parallels AB & DC.
arEFGD=12ABCD ...(iii)
Since base of EFGD is DG=12DC
From (ii) & (iii),
arΔDPC=arEFGD
x = 1

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