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What is the mathematical equation you generally use to find the circumference of a circle when you know the diameter?
Wiki User
∙ 11y ago
circumference of a circle = diameter*pi or 2*pi*radius
Wiki User
∙ 11y ago
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If you Give a circle with a diameter of 4 what is the circumference?
the equation for the circumference of a circle is 2*radius*pi, or since the radius is half of the diameter 2*radius=diameter, we can simplify the equation to the circumference of a circle=diameter*pi
Which equation can be used to find the circumference of 9 feet?
It is not clear whether the circumference is 9 feet and you want the radius or diameter, or you have either the radius or diameter - which is 9 ft - and you want the circumference. The formulas are Circumference = 2*pi*r = 2*pi*d where r is the radius, d the diameter, and pi is the mathematical constant approximated by 3.14159
If the diameter of a circle is 5 what is the circumference?
The equation for determining the circumference of a circle is circumference = pi x diameter. So if the diameter is 5, then the circumference is pi * 5 = 15.71
How do you write an equation while using circumference?
Diameter = Circumference/pi
What is the equation to get circumference of a circle if you have diameter?
Circumference = Pi x Diameter (Pi equals 3.14)
What is the equation to get the diameter from the circumference?
Since the circumference is Pi times the diameter then divide the circumference by Pi (3.14159) to get the diameter
How do you find pi using a equation?
If: circumference = pi*diameter Then: pi = circumference/diameter
If you Give a circle with a diameter of 4 what is the circumference?
the equation for the circumference of a circle is 2*radius*pi, or since the radius is half of the diameter 2*radius=diameter, we can simplify the equation to the circumference of a circle=diameter*pi
What does pi actually represent?
Generally, Pi is used to represent the rate of change of the circumference of a circle as it's diameter increases. This can be shown using the equation [circumference = Pi * diameter], that is the circumference of a circle is always Pi times larger than it's diameter.
Which equation can be used to find the circumference of 9 feet?
It is not clear whether the circumference is 9 feet and you want the radius or diameter, or you have either the radius or diameter - which is 9 ft - and you want the circumference. The formulas are Circumference = 2*pi*r = 2*pi*d where r is the radius, d the diameter, and pi is the mathematical constant approximated by 3.14159
If the diameter of a circle is 5 what is the circumference?
The equation for determining the circumference of a circle is circumference = pi x diameter. So if the diameter is 5, then the circumference is pi * 5 = 15.71
What is the equation of Pi?
there is no equation of Pi Circumference divided by diameter
How does the circumference of a circle change if you double its diameter?
Since the equation for circumference is pi*d then if you double the diameter the circumference will be doubled.
What is the equation for determining radius of a circle if you have the circumference?
Circumference = Diameter multiplied by Pi Diameter = Circumference divided by pi Radius = Diameter divided by 2.
How do you write an equation while using circumference?
Diameter = Circumference/pi
What is the equation to get circumference of a circle if you have diameter?
Circumference = Pi x Diameter (Pi equals 3.14)
What is the circumference of a 29 inch tire?
The equation for circumference is Pi(diameter), so the exact value of the circumference of a tire with a 29 inch diameter is 29pi.
