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Anindya Sil

· started a discussion

· 1 Months ago

compilation of mistakes (Question: 388268.0 )

is that a parallelogram? and what is an?

Question:

In the given figure,AN is perpendicular to BC then the ratio of the areas of the parallelogram ABCD to that of triangle ABN is :

  

Options:
A)

6 : 1

B)

5 : 1

C)

4 : 1

D)

8 : 1

Solution:

Ans: (d)

  

Knowledge Expert

· commented

· 1 Months ago

Required ratio- Area of parallelogram/ area of triangle ABN

(DC*CN)+ 1/2 (DC*BN) /(1/2 DC*BN)
DC(CN+ 1/2 BN)/ DC(1/2 BN)
(CN+ 1/2 BN)/ (1/2 BN)
(3x+x/2) / (x/2)
[7x/2]/ (x/2)= 7:1 will be correct answer. shortly we will be fixed it.

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