SOLUTION: A cylindrical vase has a radius of x inches . If the height is three less than the radius , what is the simplifed expression for the total surface area ? (Hint: a vase has one open

Algebra ->  Volume -> SOLUTION: A cylindrical vase has a radius of x inches . If the height is three less than the radius , what is the simplifed expression for the total surface area ? (Hint: a vase has one open      Log On


   

Question 1078183: A cylindrical vase has a radius of x inches . If the height is three less than the radius , what is the simplifed expression for the total surface area ? (Hint: a vase has one open end .)
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
h=x-3
For the base area,
A%5Bb%5D=pi%2Ax%5E2
For the side area,
A%5Bs%5D=2pi%2Ax%2A%28x-3%29
So then together,
A=A%5Bb%5D%2BA%5Bs%5D
A=2pi%2Ax%5E2%2B2pi%28x%5E2-3x%29
A=2pi%2Ax%282x-3%29