At the county fair, the apple pies are lined up side-by-side for juding on a 6-foot table. Each pie has an area of 50.24 inches squated. How many pies are on the table?
I don't understand how to solve this problem. Please explain and show me how step-by-step. tHANK YOU!
math - Ms. Sue, Tuesday, May 17, 2011 at 9:34pm
You need to find the diameter of each pie.
You know the area.
A = pi * r^2
50.24 = 3.14 * r^2
50.24 / 3.14 = r^2
16 = r^2
4 = r
Each pie has a diameter of 8 inches.
math - audrey, Tuesday, May 17, 2011 at 9:43pm
wait then what is the 4 for? please explaina little more
math - Ms. Sue, Tuesday, May 17, 2011 at 9:57pm
r = 4 means the radius equals 4 inches.
The diameter is twice the radius.