Question

9. Find the surface area of the cylinder. S.A. = 2πrh+2πr^2 Round to the nearest tenth.

A radis of 4 m Height of 6 m
80 m^2
251.3 m^2
301.4 m^2
401.9 m^2

Answer 1

[AI-generated answer — Bot GPT 3.5]

To find the surface area of the cylinder, we need to use the formula: S.A. = 2πrh + 2πr^2

Given that the radius (r) is 4 m and the height (h) is 6 m, we can substitute these values into the formula:

S.A. = 2π(4)(6) + 2π(4)^2
S.A. = 2π(24) + 2π(16)
S.A. = 48π + 32π
S.A. = 80π

To find the approximate value, we can use the approximation 3.14159 for π:

S.A. ≈ 80 * 3.14159
S.A. ≈ 251.3

Rounding to the nearest tenth, the surface area of the cylinder is approximately 251.3 m^2.

Therefore, the correct answer is 251.3 m^2.