Find the surface area of the cylinder to the nearest tenth of a square unit. Use 3.14 for π.

Answer,

Step-by-step explanation:

so you actually don't need the image to help you. what you want to do first is write a area sentence.

'v=3.14 x r x r x h'

the height should be on the side of the cylinder, and the radius should be where the line and the circle is.

say if the radius is 20, and it only goes one way, and the height is 5.

the sentence would be;

'v=3.14 x 20 x 20 x 5'

now say if the radius is still 20, but the lines go both sides, then you have to divide by 2, and that would be 10.

so then the sentence would be

'v=3.14 x 10 x 10 x 5'

it's simple!

-12 > a

step-by-step explanation:

-11 > 1 + a

subtract 1 from each side

-11-1 > 1-1+a

-12 > a

7

step-by-step explanation: