Question

Find the arc of a semi-circle when the diameter is 8.

Answer 1

12.56

Explanation:

this is correct I tried it in khan!!

Answer 2

The circumference of a semi circle is half of a circle.

`c = (\pi * d)/(2)`
C is the circumference of the semicircle
d is the diameter


`c = \pi * 8 / 2`

`c = 12.566`