Question

Find the radius and the circumference to the nearest hundredth when d ≈ 3.8 in. Use 3.14 for π.

Answer 1

d=3.8
radius r=d/2=1.9
C, circumference
C=2*3.14*r or C=d*3.14
C=3.08*3.14=11.932
C=11.93