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Earn +20 ptsQ: Why the estimate of the radius and not the diameter?
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What is the best estimate of the area of a circle with a diameter of 10 cm?
You have to calculate the radius - half the diameter. Then square the radius, and multiply by pi (approximately 3.1416). If you want to do a mental estimate, round pi to 3.
Calculating radius and diameter?
Radius = Diameter/2 Diameter = 2* Radius
What is the Diameter to a radius of a circle?
A radius is one half of a diameter so divide by two to get from a diameter to a radius. Or you can multiply the radius by 2 to get to the diameter.
Diameter of circle..its radius?
A radius is half of a diameter. Example Diameter:4 Radius:2
What is the relation between radius and diameter?
The diameter of a circle is twice its radius.
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