Question

What is the approximate surface area of the cylinder shown? (Use 3.14 for TT.)

-3 mm
1-
116 mm
301.44 mm 2
357.96 mm
2
339.12 mm 2
370.52 mm 2
Would this be right?

Answer 1

357.96

Explanation:

A=2πrh+2πr^2

Above is the equation for surface area of a cylinder. All you have to do is plug in the values, which are already given.

2 * 3.14* (3 * 16) + 2 * 3.14 * (3*3)

=301.44 + (6.28 * 9)

= 357.96 mm^2