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Mathematics

Grade-8

Easy

Question

Find the total surface area of a cylinder if the radius is 34 inches and the height is 25 inches.

1795.29
12604.07
330.8
1759.29

hint Hint:

The total surface area of the cylinder is $2 pi r left parenthesis h plus r right parenthesis$ , where r is the radius of the cylinder and h is the height of the cylinder.

The correct answer is: 12604.07

The total surface area of the cylinder is $2 pi r left parenthesis h plus r right parenthesis$ , where r is the radius of the cylinder and h is the height of the cylinder.
In this question we are given the height = $25 space i n c h e s$ and radius = $34 space i n c h e s$
Step1: Calculating the total surface area of cylinder by putting the values of r and h in the formula of total surface area of cylinder.
$2 pi r left parenthesis h plus r right parenthesis$
=> $2 cross times pi cross times 34 cross times left parenthesis 34 plus 25 right parenthesis$
=> $12 comma 609.14$
So, the total surface area of the cylinder is $12 comma 609.14$ .

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