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Radius is always one-half of the diameter.
This is because the radius is the distance from the edge of a circle to its centre, whereas the diameter is the distance from one edge of a circle to the other, through the centre - thus, effectively, twice the radius.
Thus, if the radius of the circle is 10, then the diameter must be 2(10), or 20.
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A circle has a diameter of 10 cm what is the radius?
the radius of a circle is half of its diameter.
What is the diameter of a circle whose radius is 10?
20; the diameter of a circle is twice its radius.
If a circle with 10 ft diameter what is the radius?
Radius of circle: 10/2 = 5 feet
What is the circumference of a circle if the radius is 7 and the diameter is 10?
Impossible because the diameter of any circle is always twice its radius.
What is the circumference of circle with radius of 3 inches and diameter of 10 in ches?
A circle with radius of 3 inches doesn't have a diameter of 10 inches. If the radius is 3, then the diameter is 6, and the circumference is (6 pi) = 18.85 . (rounded) If the diameter is 10, then the radius is 5, and the circumference is (10 pi) = 31.42 . (rounded) The diameter is always double the radius, and the radius is always half of the diameter.
