Ritika
Ritika
9 years ago

The areas of two circular fields are in the ratio 16:49. If the radius of the latter is 14 m, then what is the radius of the former?

A. 10 m

B. 8 m

C. 12 m

D. 16 m

Solution(By Examveda Team)

Let radius of first circular field = r
Then, Area = pi * r*r
Radius of second circular field = R = 14 m.
Area = pi *R*R = pi * 14*14.
Ratio of area = 16/49
pi*r*r /pi*14*14 = 16/49

r*r = 16*4 = 64
r = 8 m.

 


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