Find the surface area, to the nearest square centimeter, of a cylinder with diameter 6 cm and height 8 cm. A.48cm^2 B.452cm^2 C.

Question

3 years ago

9

207cm^2 D. 72cm^2

1 answer:

Black_prince [1.1K] · Answer 1 · 2022-04-19T10:37:23+03:00

The right answer is Option C.

Step-by-step explanation:

Given,

Diameter = 6 cm

Radius = $\frac{Diameter}{2}=\frac{6}{2}=3\ cm$

Height = 8 cm

π = $\frac{22}{7}$

Surface area = 2πrh+2πr²

Surface area = $2*\frac{22}{7}*3*8+2*\frac{22}{7}*(3)^2\\$

Surface area = $\frac{1056}{7}+\frac{396}{7}=\frac{1056+396}{7}$

Surface area = $\frac{1452}{7}$

Surface area = 207.4 cm²

Rounding off to nearest whole number

Surface area = 207 cm²

The surface area of cylinder is 207cm².

The right answer is Option C.

Keywords: surface area, cylinder

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