circles and pi
what is a chord on a circle
a line that is strait but it does not go through the center point
if half the radius is 12 inches what is the diameter
48 inches
what is an integer
a number that is a whole or that can be turned into a whole
how do you calculate area of a circle
pi times the radius squared
what is the circumference of this circle if the radius is 5 cm
31.42 cm
what is the circumference of this circle if the area is 113.097 cm
12cm