Question

0.
(1)
Which of the following is the height of the cylinder whose radius is 7 cm and curved surface area is
22
660 cm?? (Use a = )
7
(a) 30 cm
(b) 14 cm
(c) 22 cm
(d) 15 cm​

Answer 1

Answer:

I think option c...............

Answer 2

Answer:

15 cm

Step-by-step explanation:

curved surface area of a cylinder is : 2πrh

• 660 cm = 2×22/7×7×h
• 660=22×2×h
• 660=44h
• h=660/44 = 15
• height of the cylinder is 15 cm