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double the radius

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15y ago

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If you have the diameter how do you work out he area?

diameter = 2rarea = pi*r^2


How do you work out the circumference from the diameter?

Circumference = pi*diameter or 2*pi*radius


What is the definition of hot work ratio?

The hot work ratio is the area ratio of the cast diameter and the pre-machined finished diameter.


What is pi the diameter to?

The question is in really bad english, but I'm guessing your meant: 'How do I work out the diameter using pi?' Diameter= Radius2 You don't need to use Pi to work out the diameter. Unless you have a question that doesn't show you the radius. Then you do Area divided by Pi which equals the Diameter.


How does a diameter work?

it uses to find out thearea and circumference of circle. diameter=2*radius


How do you work out the diameter if you have the circumference of a circle?

Divide the circumference by 3.14159265 (3.14 for rough approximation) to find the diameter of a circle.


Was does Pi equall?

It is the ratio of the circumference (C) and the diameter (D) of a circle. Using pi and the diameter of a circle, you can work out the circumference.


How do you work out a circumference?

The answer will depend on what information you have: radius, area, diameter.


How do you work out diameter when given circumference?

Divide the cirumference by 3.14


How do you work out pi in a circle?

The value of pi = circumference/diameter


How do you work out the circumferance if the diameter is 100mm?

circumference = pi*100mm


How do you work out edge of a circle from diameter?

diameter X pi = circumference What you call edge is usually called circumference. pi = 3.1416