Question

Find the volume of a right circular cylinder whose curved surface area iso 2640cm cube and circumference of the Base is 66 cm

Answer 1

Heya,

According to the question,

Curved surface area of right circular cylinder= 2640cm²

Circumference = 66cm

Therefore,
2πr = 66

2 × 22/7 × r = 66

r = (66 × 7)/(22 × 2)

r = 10.5

Therefore, radius of right circular cylinder = 10.5 cm

As,
CSA = 2640cm²
Therefore,

2πrh = 2640

2×22/7×10.5×h = 2640

h = (2640×7)/2×22×10.5

h = 18480/462

h = 40

So, height of right circular cylinder = 40cm

Therefore,
Area of right circular cylinder = πr²h

= 22/7 × 10.5 × 10.5 × 40

= 97020/7

= 13860 cm³

Therefore area of right circular cylinder = 13860 cm³

Hope this helps....:)

Answer 2

Answer:

Here's your answer .... Haa jaanta hu ki late hoon par answer ekdam sahi hai..