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Earn +20 ptsQ: How do you calculate the radius from the diameter of a circle?
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How do you calculate radius of the circle when you do not have diameter?
Double the Radius to Calculate the Diameter.
How do you calculate the circumference of a circle given the diameter or the radius?
Circumference = diameter*pi
How do you calculate the circumfrerence of a circle?
Circumference of a circle = 2*pi*radius or pi*diameter
How do you find the length of of the radius of a circle?
You can either measure it, or calculate it if you know the diameter (radius = diameter / 2), or the circumference (radius = circumference / (2pi)).
How do the the radius and diameter of a circle compare?
The diameter of a circle is twice its radius
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