Question

Write down Relation between
(a) Diameter and radius of circle.​

Answer 1

Diameter of a circle = radius×2

example:- 10 = 5×2

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Answer 2

Answer:

diameter = 2 × radius

or, . radius = diameter/2

Step-by-step explanation:

radius is denoted by "r" .

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note - Area of circle = πr²

circumference of circle = 2π r = πd