Question

find the circumference of the circle whose radius is 28 cm

Answer 1

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Here is your answer > >

Radius of circle=28 cm

Circumference of circle=2$\pi$r

=> 2*22/7*28

=> 176 cm^2

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Answer 2

The Required Answer is as follows ;

$\textrm{Circumference of Circle = 2 \pi r}$

$\implies\textrm{Circumference of Circle = 2 \times\:\pi\:\times r}$

$\implies\textrm{Circumference of Circle = 2 \times 22/7 \times 28 cm }$

$\implies\textrm{Circumference of Circle = 2 \times 22 \times 4 cm }$

$\implies\textrm{Circumference of Circle = 176 cm }$