A = pi * r^2
A = 3.14 * 6^2
A = 113.04 sq. inches
A = 3.14 * 7.5^2
A = 176.625 sq. in.
113.04/10.99 = 176.25/x
1941.109 = 113.04x
17.17 = x
If a pizza with a diameter of 12 inches costs $10.99 , based on area, how much should a 15 inch pizza cost?
2 answers
Еhe ratio of areas of similar figures is equal to the ratio of the squares of linear dimensions
x=10.99(15/12)^2
x=10.99(15/12)^2
3 answers