<PRE><B>Question 706330</B>
How do you find the radius and area of the circle. The circumference of a circle is 4 inches.


Circumference of a circle = pi * Diameter

pi = 3.14

Diameter = 2 * radius

Therefore:

radius = circumference / (2 * pi)

4 / (2 * 3.14) = 4 / 6.28 = 0.63

radius = 0.63 inches


Area of a circle = pi * r^2

3.14 * 0.63^2

0.63 * 0.63 = 0.4044

3.14 * 0.4044 = 1.27011

Area of the circle = 1.27 inches squared.</PRE>