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The radii of the circular ends of a buck...

The radii of the circular ends of a bucket of height 40 cm are 24 cm and 15 cm . The slant height (in cm ) of the bucket is

A

41

B

43

C

49

D

51

Text Solution

Verified by Experts

The correct Answer is:
A
`l=sqrt(h^2+(R-r)^2)=sqrt((40)^2+(24-15)^2)`
`=sqrt(1600+81 )cm =sqrt(1681)cm = 41 cm `
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