Question

I need help please!!! Only answer if you know it or else you will get reported

Answer 1

Answer: B) 1.3pi

Step-by-step explanation:

The distance around a full circle is equal to 2*pi*r = 2*pi*1.3 = 2.6pi

Cut this in half because we're dealing with a semicircle. So we go from 2.6pi to 1.3pi

This is exactly equal to pi times the radius.