Question

please sir or mam please help me​

Answer 1

Answer:

cylinder:

total surface area- 2πr(h+r)

curved surface area- 2πrh

volume- πr²h

cone:

t.s.a- πr(l+r)

c.s.a- πlr

vol.- 1/3πr²h

frustom:

s.a- π/(R+r)

circle:

s.a- πr²

sphere:

s.a- 4πr²

vol.- 4/3πr³

hemisphere:

s.a- 3πr²

c.s.a- 2πr²

vol.- 2/3πr³

Step-by-step explanation:

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