Question #e5881
2 Answers
Jan 28, 2016
See explanation..
Explanation:
Remember that
If diameter is
If
So,circumference of circle=
So,
So,circumference of circle=
This is a simple poof that i think is the best
Jan 28, 2016
here is how you do it friend,
Explanation:
for this, we will need closed line integration.
suppose the radius of a circle is r
and after
so,
now,