Question

the TSA of solid cylinder is 231 cm sq. and its CSA is 2/3 of TSA . Find the volume of cylinder​

Answer 1

Answer:

t.s.a=231

c.s.a=231/2×3=154

tsa=2×22/7×r2+2×22/7×rh

csa=2×22/7/rh

2×22/7×rh+2×22/7×r2

154+2×22/7×r2=231

2×22/7×r2=231-154

2×22/7×r2=77

r2=49/4

r=7/2

r=3.5

Answer 2

Answer:

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Step-by-step explanation:

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