Question

A cylinder has a circumference of 27 cm. The surface area of the cylinder is 1400 cm². What is the volume of the cylinder?

Answer 1

Answer:

38500cm

Step-by-step explanation:

Circumference of its base =110cm

2πr=110

2×

7

22

×r=110

7

44

×r=110

r=17.5cm

Curved Surface Area =4400cm

2

2πrh=4400

2×

7

22

×h×17.5=4400

7

44

×17.5×h=440

h=

40

4400

×2.5

h=40cm

Volume = πr

2

h

=

7

22

×17.5×17.5×40

=38500cm

2