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Q-49:-
radius = r
height = h
TSA = πrl+πr^2
= πr(l+r)
= πr[{√h^2+r^2}+r]
hence option (b) is the correct option.
Q-50:-
volume = 1/3πr^2h
462×3 = 22/7×7×7×h
h = 462×3/(22×7)
h = 3×3cm = 9cm
hence option is (a).
please mark it as the brainliest answer
radius = r
height = h
TSA = πrl+πr^2
= πr(l+r)
= πr[{√h^2+r^2}+r]
hence option (b) is the correct option.
Q-50:-
volume = 1/3πr^2h
462×3 = 22/7×7×7×h
h = 462×3/(22×7)
h = 3×3cm = 9cm
hence option is (a).
please mark it as the brainliest answer
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