Find the area of the curved surface of a cylindrical box with radius 12 inches and height 20 inches.
$1505.1 {i n}^{2}$
$1506.5 {i n}^{2}$
$1507.2 {i n}^{2}$
$1507.5 {i n}^{2}$

Question

Find the area of the curved surface of a cylindrical box with radius 12 inches and height 20 inches.
$1505.1 {i n}^{2}$
$1506.5 {i n}^{2}$
$1507.2 {i n}^{2}$
$1507.5 {i n}^{2}$

Toppr Admin · Accepted Answer

Curved surface area of cylinder is-xA0-A-2-x3C0-rhHere- the radius is 12 in and height is 20 in-Thus-A-2-x3C0-rh-2-xD7-3-14-xD7-12-xD7-20-1507-2-xA0-in2Hence- the curved surface area-xA0-of the cylinder is-xA0-1507-2-xA0-in2-

Find the area of the curved surface of a cylindrical box with radius 12 inches and height 20 inches.1505.1in21506.5in21507.2in21507.5in2

Curved surface area of cylinder is A=2πrhHere, the radius is 12 in and height is 20 in.Thus,A=2πrh=2×3.14×12×20=1507.2 in2Hence, the curved surface area of the cylinder is 1507.2 in2.

Find the area of the curved surface of a cylindrical box with radius 12 inches and height 20 inches.
$1505.1 {i n}^{2}$
$1506.5 {i n}^{2}$
$1507.2 {i n}^{2}$
$1507.5 {i n}^{2}$

Curved surface area of cylinder is $A = 2 π r h$

Here, the radius is $12$ in and height is $20$ in.

Thus,

$A = 2 π r h = 2 \times 3.14 \times 12 \times 20 = 1507.2$ in $^{2}$

Hence, the curved surface area of the cylinder is $1507.2$ in $^{2}$ .