a solid cylinder has total surface area of 462 CM square it's CSA is one third of its TSA and then find its radius and height
Answers
Answered by
4
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
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
Answered by
0
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
Step-by-step explanation:
Similar questions