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Vijay Sharma

· started a discussion

· 1 Months ago

IS THERE SHORTER APPROACH TO THIS? (Question: 257197.0 )

IS THERE ANY SHORTCUT FOR THIS??

Question:

In this figure,  DEBC=14     and DE || BC and area of ∆ADE = 10 unit2, find the area  ∆DEC.

  

Options:
A)

20

B)

25

C)

30

D)

40

Solution:

Ans: (c)

  

Mukesh

· commented

· 1 Months ago

In fig AC is divided in ration 1:3, ie area of ADC triangle will br in the ratio 1:3. where 1=10 So. 3=30
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