Question

If a circle has a circumference of 31.4 feet what is its radius? (Use π=3.14)

Answer 1

given

circumference=31.4

pi=3.14

circ=pi×r

31.14≡3.14×r

r=31.4÷3.14

Explanation:

Answer 2

The radius of given circle is 5 cm and the area of the circle is 78.5 sq.cm.