what is the ratio of the circumference of circle to its radius?
2 answers
please help me
the definition of π is the ratio of the circumference to the diameter of a circle.
So, C/d = π
The diameter is twice the radius
So, C/2r = π
C/r = 2π
So, C/d = π
The diameter is twice the radius
So, C/2r = π
C/r = 2π
1 answer