What is the relation between radius and diameter of a circle?

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Radius = 2+ diameter

Radius = diameter-2

Diameter = radius ÷2

Diameter = 2 × radius

answer is D.

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Detailed Solution

The largest distance or chord between the two points on the circumference of the circle is called the diameter of the circle.
The diameter of the circle is twice long as the radius of the circle.
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The relation between the diameter and the radius of the circle can be given as,
Diameter = 2 × radius
Hence, option 4 is correct.

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