What is the total surface area of a cylinder with radius 2cm and height 1.5cm, correct to 2 significant figures?
-
A.
440cm(^2) -
B.
220cm(^2) -
C.
88cm(^2) -
D.
44cm(^2) -
E.
22cm(^2)
Correct Answer: Option D
Explanation
T.S.A of a cylinder = (2pi r (r + h))
= (2 times frac{22}{7} times 2 (2 + 1.5))
= 44 cm(^2)