Question

find the circumfrence of the circles with radius 3.5 cm​

Answer 1

$\huge\star\underline\mathfrak\red{Answer}$

18.85

Answer 2

Circumfrence of the circles with radius 3.5 cm​ is

A round plane figure whose boundary (the circumference) consists of points equidistant from a fixed point (the centre) is a Circle.

   A circle has is made by its radius.

    and  2 × radius = Diameter

       Also     Circumference = 2 × $\pi$ × r        ( where r is radius )

                                                                     and   $\pi$ = 22/7 or 3.14

       so,  if radius is given then we find circumference easily

          Circumference = 2 × 22/7 × 3.5          (Given r = 3.5)

           Circumference = 2 × 22 × 0.5

             Circumference = 22 cm

Know more

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