Answer:
Explanation:
we know circumference of a circle = d
here radius = 7 mm
diameter = 2*7= 14mm
therfore circumference = * 14
ie C = 14
therefore 2nd option is the answer
C = 14pi
C = pi d
The radius is 7 so the diameter is
d = 2r
d = 2*7
=14
C = pi *14
3.7m questions
4.8m answers