Question

The diameter of a circle is 18cm.find the circumference ​

Answer 1

Explanation:

diameter= 18

radius=9

9 x 2ㅠ= 18ㅠr

or

3.14 x 9 x2ㅠ= ≈ 56.55

Answer 2

Formula for the Circumference of a Circle = pi x diameter

Circumference = pi x 18

Circumference = 18pi cm = 56.55 cm

Answer = 18pi cm = 56.55 cm

Hope this helps!