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Earn +20 ptsQ: If the diameter of a circle is 9cm what is the radius?
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How is the circumference of a circle with radius 9 cm related to the circumference of a circle with diameter of 9cm?
Doubling the radius doubles the circumference.
The radius of a circle is 9cm what is the circumference of the circle?
56.549 cm
How do the the radius and diameter of a circle compare?
The diameter of a circle is twice its radius
If the radius of a circle is r what is the diameter of the circle?
The radius of a circle is half the diameter so if the radius of a circle is r, then the diameter is 2r.
What is the diameter of a circle or a radius of in?
The diameter of a circle is twice its radius
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