a metal pipe is 77cm long.the inner diameter is 4cm and outer diameter is 4.4cm find its total surface area
Answers
Answered by
2
Inner surface area =2pie rh
2pie *2*77=2*22/7*2*77=2*22*2*11=968cmsq
Outer surface area =2pie rh
2*22 /7*2.2*77=2*22*2.2*11=1064.8cmsq
TSA=968+1064.8=2032.8cmsq
2pie *2*77=2*22/7*2*77=2*22*2*11=968cmsq
Outer surface area =2pie rh
2*22 /7*2.2*77=2*22*2.2*11=1064.8cmsq
TSA=968+1064.8=2032.8cmsq
Similar questions