# math

calculate the area of a cylinder with a height of 60 cm and a circumference of 62.8

1. 👍 0
2. 👎 0
3. 👁 153
1. curcumference is 2(pi)r
62.8=2(pi)r
r=9.995
A=2(pi)rh+2(pi)r^2
=[2*(pi)*(9.995)*60]+[2*pi*(9.995^2)]
about 4396 cm^3 OR 43.96 m^3

1. 👍 0
2. 👎 0

## Similar Questions

1. ### calc

When the height of a cylinder is 12 cm and the radius is 4 cm, the circumference of the cylinder is increasing at a rate of pie/4 cm/m in, and the height of the cylinder is increasing four times faster than the radius. How fast is

2. ### chemistry

Titanium is used in airplane bodies because it is strong and light. It has a density of 4.55 g/cm^3. If a cylinder of titanium is 7.75 cm long and has a mass of 153.2 g, calculate the diameter of the cylinder. (V=pi*r^2*h, where V

3. ### Pre-calc/trig

Find a function that models surface area of a cylinder in terms of its height . The volume of a cylinder is 300 cm^3 . I know the volume of a cylinder is v= 3.14•r^2•h and Surface area is 2•3.14•r^2+2 •3.14•r•h. I

4. ### Algebra

If the surface area of a cylinder is equal to the value of the volume of the cylinder. Find the value of x. X is the height which is unknown. The radius is 6ft

1. ### math

The formula for the surface area of a cylinder is A=2πr^2+2πrh. (A)Solve for r and simplify the result, if possible. (B) If the surface area of a cylinder is 100 square feet and the height is 40 inches, what is the radius of the

2. ### math stumped...

is the solution of 1/3x=21? greater than or less than 21? the volume F of the cylinder is 65n cubic centimeters. the height of the cylinder is 5 centimeters. use the vomula v=Bh to find the area of the base of the cylinder? the

3. ### Algebra 2

Am I correct? The radius of a cylinder is 3x – 2 cm. The height of the cylinder is x + 3 cm. What is the surface area of the cylinder? Use the formula A = 2pi r2 + 2 pi rh. 2spi (3x2 + 10x – 8) 2 pi (12x2 + 7x-2) 2 pi (12x2

4. ### Physics

A length of thin thread wraps around a cylinder exactly 25 times.calculate the circumference and radius of the cylinder

1. ### pre algebra

A cylinder has a circumference of 16pi inches and its height is half the radius of the cylinder? What is the total surface area of the cylinder? Give answer in terms of pi. do not know how to do this....please help

2. ### Geometry

The surface area of the sides of a right cylinder can be found by multiplying twice the number pie by the radius times the height. If a circular cylinder has radius (r) and height (h), write an expression that represents the

3. ### Geometry

1.) Identify the solid formed by the given net. a. cylinder b. triangular prism c. square pyramid d. rectangular prism 2.) Name the solid according to its description: The figure has two bases that are parallel congruent circles.

4. ### math

A glass cylinder with a radius of 7cm has water up to a height of 9cm. A mental cube of 5 1/2cm edge is immersed in it completly.calculate the height by which the water rises in the cylinder.