10. What is the circumference of a circular disc of radius 14 cm?
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10. What is the circumference of a circular disc of radius 14 cm?
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Answer:
Radius (r) = 14cm
Circumference
= 2πr
= 2 x 22/7 x 14
= 2 x 22 x 2
= 22 x 4
= 88cm
Answer: radius r= 14cm
circumference=2π r. π=22/7
so 2*22/7*14
circumference is 88 cm .