The radii of two hemispheres are in the ratio 1: 4. Compare their LSA
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on comparing the ratio of LSA of two hemispheres is 1:16
hope it helps....
hope it helps....
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Radius are of both hemispheres are in ratio of 1:4
L.s.a of hemisphere is 2πr^2
2πr^2=2πR^2
Cancelled 2π
Let taker=1andR=4
(1)^2=(4)^2
1=16
1/16 is the ratio of L.S.A of two hemispheres
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