Question

13 The capacity and the base area of a right circular conical vessel are 9856 cm
and 616 cm2 respectively. Find the curved surface area of the vessel.​

Answer 1

Answer:

= 1232 cm²

Step-by-step explanation:

vol. of cylinder=9856 cm³

ar of base = 616 cm²

ar of base = 616 cm²

πr² = 616

22/7 r² = 616

r² = 616× 7/22

r² = 196

r = √196 =

r = 14 cm

Now,

vol. of cylinder = 9856 cm³

ar. of base × h = 9856

616× h = 9856

h = 9856/616

h= 14 cm

So,

CSA of cylinder = 2πrh = 2× 22/7× 14 × 14

= 1232 cm²