Question

Calculate the circumstances of the shape below

Answer 1

Correct Question :-

Calculate the circumference of the shape below.

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Given :-

• radius of circle = 12.5 m

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To find :

• circumference of a circle

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Solution :

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We know :-

`\bigstar\boxed{ \rm Circumference_((circle)) = 2\pi r}`

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Steps :-

`\dashrightarrow\sf Circumference_((circle)) = 2\pi r`

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`\dashrightarrow\sf Circumference_((circle)) = 2\pi * 12.5 \\`

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`\dashrightarrow\sf Circumference_((circle)) = 2 * (22)/(7) * 12.5 \\`

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`\dashrightarrow\sf Circumference_((circle)) =(44)/(7) * 12.5 \\`

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`\dashrightarrow\sf Circumference_((circle)) =(44)/(7) * (125)/(10) \\`

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`\dashrightarrow\sf Circumference_((circle)) =(44)/(7) * \frac{ \cancel{125} {}^(25) }{ \cancel{10} {}^(2) } \\`

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`\dashrightarrow\sf Circumference_((circle)) =(44)/(7) * (25)/(2) \\`

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`\dashrightarrow\sf Circumference_((circle)) =\frac{ \cancel{44}}{7} * (25)/( \cancel2) \\`

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`\dashrightarrow\sf Circumference_((circle)) =(22)/(7) * (25)/(1) \\`

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`\dashrightarrow\sf Circumference_((circle)) =(550)/(7) \\`

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`\dashrightarrow\bf Circumference_((circle)) =78.6 \: m\{approx \} \\`

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