Question

the difference between the circumference and the radius of a circle is 37 CM the area of the circle is

Answer 1

2×3.14×r- r= 37 so (6.28-1)×r=37 so 5.28/37=r =0.1427

Answer 2

2×3.14×r-r=37
6.28r-r=37
5.28r=37
r=37÷5.28

you can calculate r and put it in the equation 3.14×r^2