a solid cylinder has total surface area of 462 square centimetre its curved surface area is one third of its total surface area find the volume of the cylinder
Answers
Answered by
7
Answer:
Curved surface area = total surface area / 3.
Curved surface area = 462/3 = 154.
Rest of area = 462 - 154 = 308.
2πr^2 = 308.
r^2 = 308 x 7 / 44 = 49.
r = 7.
2πrh = 154.
h = 154 / 2 x 22 = 7/2.
Volume = πr^2 h = (22/7) x (7^2) x (7/2) = 539.
Volume = 539 cm^3
Similar questions
Math,
8 months ago
English,
8 months ago
Environmental Sciences,
1 year ago
Biology,
1 year ago
English,
1 year ago