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Well, darling, if the radius of a circle is 5.5cm, then the diameter is simply twice the radius. So grab a calculator or use that brain of yours and multiply 5.5 by 2 to get the diameter. Spoiler alert: it's 11cm. Now go impress someone with your newfound knowledge, you're welcome.
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Earn +20 ptsQ: If the radius of a circle is 5.5cm what is the diameter?
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Continue Learning about Other Math
What is the radius of a circle if its diameter is cm?
The radius of a circle is half of its diameter
The diameter of a circle is twice the radius the radius of the circle is?
1/2 of the diameter
What is the radius of a circle with a diameter of 15 cm?
The diameter of a circle is twice its radius. Thus the radius of a circle is half its diameter. → a circle with a diameter of 15 cm has a radius of 15/2 cm = 7.5 cm
What is the diameter of a circle with a radius of 3.5cm?
7cm; the diameter of a circle is twice its radius.
The circle has a radius of 30 millimeters. What is the diameter of a circle in centimeters?
The radius of the circle is half the diameter of the circle. 30mm radius would mean 60mm diameter or 6cm.
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