Question

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Answer 1

$\huge\bf\underline{\underline{\pink{A}\orange{N}\blue{S}\green{W}\red{E}\purple{R:-}}}$

Here we've been provided with the information given that radius (r) = 3.

And we have to find the circumference (c) of circle. And we have been provided with the formula i.e C = 2πr.

Placing (π = 3) in the above equation,

$:\implies\tt{c = 2\pi r}$

$:\implies\tt{c = 2 \times 3 \times 3}$

$:\implies\tt{c = 6 \times 3}$

$:\implies\tt{c = 18}$

• The circumference of circle is 18cm.

Answer 2

Answer:

  C = 18

Step-by-step explanation:

Put the numbers in place of their symbols and do the arithmetic. The diagram is showing you r = 3.

  C = 2πr

  C = 2(3)(3) . . . . . using 3 for π, as directed

  C = 18