Posted by **MathLover** on Sunday, February 27, 2011 at 10:10pm.

The volume of a cylinder is 1256 meters. The height is 13 meters. Diameter is x. What is the diameter?

- Math -
**MathMate**, Sunday, February 27, 2011 at 10:28pm
Volume of cylinder, 1256 m³

= πd²h/4

h=13, π=3.14159, solve for d.

- Math -
**Anonymous**, Sunday, February 27, 2011 at 11:14pm
Idg how to to do x squared

- Math -
**MathMate**, Monday, February 28, 2011 at 12:26am
d² is the same as d*d, or d multiplied by itself.

so

πd²h/4=1256

multiply by 4 on each side,

πd²h = 5024

divide by πh on each side:

d²=5024/(13π)=123

d=√(123)=11 metres.

## Answer This Question

## Related Questions

- Math - A rectangular prism has a length of 100 cm, a height of 10 cm and a ...
- AP Calculus BC - A cylindrical tank is constructed to have a diameter of 5 ...
- Physics - The cubit is an ancient unit of length based on the distance between ...
- Geometry - a cone full of water has been poured intoa cylinder. what is the ...
- MATH - A tin is a right circular cylinder with a diameter of 6 meters and a ...
- math - Erin is making a pitcher of lemonade. Her pitcher is a cylinder with a ...
- physics - A hydraulic press has an input cylinder 1 m in diameter and an output ...
- Algebra - the base of a cylinder is a right triangle topped by a 60 degrees ...
- physical science - A weight attached to a wire is swung in a circular path. Its ...
- math - what is the total surface area in meters of a cylinder that is 12m in ...

More Related Questions