Question

1. Find the diameter of a circle whose circumference is 18.85 m. A. 3.46 m B. 12 m C. 6 m D. 2.45 m

Answer 1

18.85 = 3.14d

Divide both sides by 3.14

x=6

The answer is C. 6m

Answer 2

For this case we have to:

The circumference or perimeter of a circle is given by:

$c = \pi d$

where d is the diameter of the circle.

Substituting the given value of c, $c = 18.85m$, we have:

$18.85 = \pi d$

$d = \frac{18.85}{\pi } \\\\d = 6$

Therefore, the diameter of the circle is 6m.

Answer:

Option C