Question

Anyone know the answer?

Answer 1

• 31.53 cm

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Explanation:

It is given that, The circumference of a circle is 198 cm and we are to find the radius of the circle.

`\:`

To find the radius of the circle we must know this formula first :

`\\{ \longrightarrow \qquad{ \underline {\boxed{ \pmb{ \mathfrak{ \: 2 \pi r \: =Circumference_((circle))}}}}}} \: \: \bigstar \\ \\`

Now substituting the values in the formula :

`\\{ \longrightarrow \qquad{ {{ \tt{ \: 2 * 3.14 * r \: =198}}}}} \\ \\`

`{ \longrightarrow \qquad{ {{ \tt{ \: 6.28 * r \: =198}}}}} \\ \\`

`{ \longrightarrow \qquad{ {{ \tt{ r \: = (198)/(6.28) }}}}} \\ \\`

`{ \longrightarrow \qquad{ \pmb {{ \frak{ r \: = 31.528 }}}}} \\ \\`

Therefore,

• The radius of the circle is 31.53 cm (Rounded to nearest hundredth)