A cylindrical container, closed at both ends, has a radius of 7cm and height 5cm [Take π = 22/7]
Find the total surface area of the container
-
A.
35cm3 -
B.
154cm3 -
C.
220cm2 -
D.
528cm2 -
E.
770cm2
Correct Answer: Option D
Explanation
T.S.A of a cylinder = (2pi r^2 + 2pi rh)
= (2pi r(r + h))
= (2 times frac{22}{7} times 7 times (7 + 5))
= (44 times 12)
= (528 cm^2)