What is the radius of a circle?

Dear Student,

​​​​​​A radius is a straight line from the center of a circle to the circumference of a circle. If you have two or more of them, they are referred to as radii. All radii in a circle will be the same length.

Given the diameter of a circle, the radius is simply half the diameter:
radius r = Diameter/2 = D/2


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the radius of the circle is diameter divided by 2
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Maths language hindi
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Class 10th
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The line which starts at the centre point of to he cirlce and ends at the circumference of the circle
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