Find the circumference of the circles with the following radius: (Take π = 22 7 ) (a) 14 cm (b) 28 mm (c) 21 cm

asked Sep 5, 2020 109k views

1 vote

Find the circumference of the circles with the following radius: (Take π =

22
7 )
(a) 14 cm (b) 28 mm (c) 21 cm

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4 votes

Answer:

circumfrence of a circle= 2πr

(a)14 cm = 2*22/7*14

= 88cm

(b)28cm = 2*22/7*28

=176cm

(c)21cm = 2*22/7*21

132cm

Vadim Yangunaev answered Sep 12, 2020

6.1k points

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