define circle and diameter
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Cirlce is a figure in which no length and no breadth
And diameter is the line which divides the circle into 2 equal halves
And diameter is the line which divides the circle into 2 equal halves
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Step-by-step explanation:
In geometry, a diameter of a circle is any straight line segment that passes through the centre of the circle and whose endpoints lie on the circle. It can also be defined as the longest chord of the circle. ... In more modern usage, the length of a diameter is also called the diameter.
r=d/2
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