Answer:
Option (a) is correct.
The circumference of circle is 30π inch.
Explanation:
Given : A circle with radius 15 inch
We have to find the circumference of the given circle.
Consider the given circle
We know,
Circumference of circle = 2·π·r
given : Radius = 15 inches
Put we get,
Circumference of circle = 2·π·15 = 30π inch.
Thus, The circumference of circle is 30π inch.