Question

The volume of a cylinder is 448π cm³ and height 7 cm. Its base is 5 cm. Find its CSA

Answer 1

Answer:

112π cm² or 352cm²

Step-by-step explanation:

πr²h=448π

⇒r²×7=448

⇒r²=64

⇒r=8cm

Now, CSA= 2πrh

             =2×π×8×7

             =112π cm² or 352 cm²