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38 Answered Questions for the topic Cylinder

Cylinder Calculus Area

12/01/19

Design a Cylinder

Design a cylinder can of volume 1000cm^3 so that it uses the least amount of metal. Show that h=2r, where h is the height of the cylinder and r is its radius.
Cylinder Geometry

10/03/19

Total surface area of a cylinder

A log with diameter 60 cm is 3 m in length. Its hollow centre is 20 cm in diameter.Find the surface area of the log in cm2, including the ends and the inside, correct to one decimal place.
Cylinder Geometry

08/07/19

Calculate the radius of a cylinder that has a surface area of 200π square units and a height of 21 units.

A = 2πrh+2πr2r = radiush = heightA = surface areaWhat is the answer supposed to look like?My answer was : r = 100 - r2This does not look correct.
Cylinder Surface Area

05/24/18

Needing some help outlining the steps of the two questions here

1. The surface area of a cylinder is 170π cmsquared. Calculate the height of the cylinder.   2. A cylinder has a surface area of 400π cmsquared, a height of x and a diameter of 2x.  Calculate... more
Cylinder Math Geometry

04/12/18

Which solid has greater volume?

A Cylinder with the diameter of 8 and height of 8  A Cube with length,width, and height all at 8
Cylinder Math Surface Area

03/29/18

How do you calculate the surface area of a cylinder if the volume was the only given variable in a problem?

The given volume is 60 in3. That’s it.

PLEASE HELP I'M DESPERATE. SURFACE AREA of a cylinder.

Okay so I have this question on surface area of a cylinder. Simple right?Well the formula is SA = 2πr2 + 2πrh right?So i plug in my numbers. The question is, Cylinder A has a radius of 2 inches and... more
Cylinder

02/19/18

A cube had side lengths of 3cm. Find the length of the diagonal of the cube

Answer 

12/11/17

An open-top cylindrical tank with a volume of 20m3 is to be made from a sheet of steel. If the cylindrical height is 5m, what is the surface area of steel?

what is the surface area of steel required to complete the tank? Please explain the steps.
Cylinder Math Surface Area

12/09/17

An open-top cylindrical tank with a volume of 20m3 is to be made from a sheet of steel. If the cylindrical height is 5m, what is the surface area of steel?

what is the surface area of steel required* I ran out of room.
Cylinder Volume

09/04/17

Cylinder A is twice the height of cylinder B. Cylinder B is twice the diameter of cylinder A. What is the ratio of cylinder A to B?

Cylinder A is twice the height of cylinder B. Cylinder B is twice the diameter of cylinder A. What is the ratio of cylinder A to B?
Cylinder Math Volume

06/16/17

What is the relationship between cylinder volume and circumference?

yesterday, I was asked how could I guess the circumference of a beaker (cylinder) given that the volume was 150 mL(cm3). I'm having trouble finding a relationship. I tried to incorporate calculus,... more
Cylinder

05/07/17

if the diameter of a volleyball is three times the diameter of a tennis ball, which statement is true.

a) the volume of the volleyball is 3 times the volume of the tennis ball.   b) the volume of the volleyball is 9 times the volume of the tennis ball.   c) the surface area of the volleyball is... more
Cylinder

04/06/17

How fast is the volume of the ice increasing at this time? Round your answer to three decimal places.

Ice is being formed in the shape of a circular cylinder with inner radius 1 cm and height 5 cm. The outer radius of the ice is increasing at 0.06 cm per hour when the outer radius is 1.5 cm. How... more
Cylinder

03/05/17

How to find the volume by given radius and the angle only?

A curved wedge is cut out from a cylinder of radius 9 inches by two planes. One plane is perpendicular to the axis of the cylinder. The second plane crosses the first plane at 45 degrees angle at... more

02/20/17

A metal cube of edge 14c.m is melted and drawn into the shape of a cylindrical wire of diameter 0.84 c.m.what length of wire can be obtained?

A metal cube of edge 14c.m is melted and drawn into the shape of a cylindrical wire of diameter 0.84 c.m.what length of wire can be obtained?

01/10/17

Geometry question

two solid cylinders are made of the same material. cylinder a is six times as tall as cylinder b, but the diameter of cylinder b is four times the diameter of cylinder a. Which cylinder weighs... more
Cylinder Math Math Help

08/18/16

Need help for this question!

A cylindrical can has a base radius of 3.4 cm.It contains a certain amount of water such that whena sphere is placed inside the can, the water justcovers the sphere. If the sphere fits exactly... more
Cylinder Equations Math Help

02/21/16

Solve the formula for the surface area of a cylinder, S = 2pr2 + 2prh, for h.

Solve the formula for the surface area of a cylinder, S = 2(pi)r2 + 2(pi)rh, for h. 

math world problem, need answer ASAP

the world cup rugby ball is shown, its is made of a cylinder with ends which are hemispheres. the ends of the cylinder and hemisphere have a radius of 8cm and the enitre ball has a length of... more
Cylinder Surface Area Volume

11/02/15

Finding the surface area of a cylinder.

If the surface area of a cylinder with a radius of 3 cm is 54(pie) cm^2 , what is the cylinder's volume?

10/26/15

word problem using graphing calculator

A cylinder is inscribed in a sphere of radius 1. Express the volume V of the cylinder as a function of the base radius r. State the domain. Using the graphing calculator, find the radius and height... more
Cylinder Mathematics

08/05/15

A thin walled circular cylinder is filled 91 percent with water, closed up and then tipped over on a table so it would

A thin walled circular cylinder is filled 91 percent with water, closed up and then tipped over on a table so it would roll if pushed. What is the height of the water level over the tabletop... more

04/26/15

Geometry Surface Area Problem.

Soda cans are made out of aluminum and are shaped like a cylinder. The formula for the surface area of a cylinder can be used to find the amount of aluminum, in square centimeters, that is needed... more
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