Question

the radius of a circle is 4.2 cm.find the circumference ?​

Answer 1

Answer:

Circumference of the circle = 2×π×r

:. 2×22/7× 4.2

:. 2×22× 0.6

:. Circumference of the circle= 26.4cm²

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Answer 2

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Radius of the circle (r)= 4.2 cm

Circumference of a circle (c)= 2 π r

Therefore,

c= 2 × 22/7 × 4.2

c= 26.4 cm

Thus, the circumference of the circle is 26.4 cm.

Explaination:

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