What is the circumference of a circle is 31.4 cm find the area

Question

Trying to find  area of circle that is 31.4 circumference.

Answer 1

Circumference = 2·pi·radius

31.4 = 2·pi·radius

31.4/(2·pi) = radius

15.7/pi = radius

 

Area = pi·radius²

Area = pi·(15.7/pi)²

 

Can you finish it from here?