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Ratan Vaishnav

· started a discussion

· 1 Months ago

q no 51 (Question: 229841.0 )

sq rt ( 22^2 + 19^2 + 8^2 ) = sq rt 909
not sq rt 900

Question:
What is the radius of a circle to the nearest cm whose area is equal to the sum of the areas of three circles of radius 22 cm, 19 cm and 8 cm respectively ?
Options:
A) 17 cm
B) 30 cm
C) 29 cm 
D) 19 cm 
Solution:

Ans: (b)

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