Question

If the radius of the circle is 4 cm, find its circumference. [Use 3.14 for π.]

Answer 1

Answer:

According to Q/A

2 π r =

$2 \times 3.14 \times 4 = 8 \times 3.14 = 25.12$

Answer 2

Answer:

To find circumference of Circle, we use

$2\pi r$

So, by substituting the values, we get

= 2*3.14*4

= 8*3.14

= 25.12cm