Question

If the circumference of a circle is 11inches, which is closest to its area?a.380 square inchesb.95 square inchesc.17 square inchesd.35 square inches

Answer 1

C=2 pi r and 11=2*3.14*r
11=6.28*r
r=1.75
A=pi r^2
A=3.14* (1.75)^2=9.625
this number is closer to 17 square inches