If diameter of a circle is 84cm find out the circumference and radius
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Step-by-step explanation:
Diameter = 2 x radius
84 cm = 2r
r = 84/2
= 42 cm
so radius is 42 cm
circumference of circle = 2πr
= 2 x 22/7 x 42
= 2 x 22 x 6
= 264 cm
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