Question

if the circumference of a circle is 176cm, find its radius

Answer 1

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Answer 2

Answer:

$Radius \: of \: the \: circle (r) = 28 \:cm$

Step-by-step explanation:

$Let \:\\ the \: radius \: of \: a \: circle = r \: cm$

$Circumference \: of \: the \: circle\\ C = 176 \: cm \:(given)$

$2\pi r = 176 \: cm$

$\implies 2 \times \frac{22}{7} \times r = 176$

$\implies r = \frac{176 \times 7 }{2 \times 22 }\\=28 \:cm$

Therefore,

$Radius \: of \: the \: circle (r) = 28 \:cm$

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