Question

TSA of a hollow cylinder with no top

Answer 1

Answer:

TSA =  $\pi$r(2h + r)

Step-by-step explanation:

TSA = LSA + Area of bottom

LSA = 2 $\pi$rh

Area of bottom = $\pi$r²

∴ TSA = 2 $\pi$rh + $\pi$r²

          =  $\pi$r(2h + r)

Hope this helps!