Question

A metal pipe is 77 cm long. The inner diameter of a cross secion is 4 cm and the thickness is

0.2 cm , Find its total surface area​

Answer 1

Answer:

$\huge \underline\pink{❤answer\:❤}❤answer❤</p><p>$

Answer 2

Answer:

outer radius of the metal pipe = (4+0.2+0.2)/2

                                                  =2.2 cm

TSA of metal pipe = 2*π*r (h+r)

                              = 2*(22/7)*2.2*(77+2.2)

                              = 1095.22 cm²

Step-by-step explanation: