circumference = 2πr = 2π(10) = 20π
C : r = 20π : 10
= 2π : 1
Actually, the basic definition of π is Circumference : radius.
= 2πr : r
= 2π : 1
The radius of a circle is 10. Using π, which equation expresses the ratio of the circumference of the circle to the circle's diameter?
please help me
2 answers
the definition of pi is the ratio circumference:diameter
1 answer