the diameter of a circle is 21 cm find its circumference
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15
Answer:
diameter of circle is 21cm
radius is 21/2
circumference is 2πr
then
=2×22×21/7×2
=66cm
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hello♥️
answer:- 66cm
diameter of a circle is 21 cm
radius=21/2
circumference of a circle=2πr=2×22/7×21/2=66 cm
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