A circular pizza has a radius of x cm.

Question

a.write an expression for the area of the pizza?
b write an expression for the area of a pizza with radius that is 5 cm greater
c. How much greater is the second area? write the difference as a simplified expression?

Answer 1

a = πr^2

now just substitute in x or (x+5)

Answer 2

the a bove question answer b and c