Answer:
31.4
Explanation:
diameter of a circle=2r
d=2×5
d=10cm
therefore, diameter of the circle is 10cm
Circumference of a circle is also known as Perimeter of a circle
thus, Circumference of the circle=πd or 2πr
but here we'll use πd
so, circumference=3.14×10
=31.4cm
