To find the area of a circular pizza, you need to use the formula: A = πr^2, where A is the area and r is the radius.
For the 16-inch circular pizza:
- Radius = diameter/2 = 16 in/2 = 8 in
- Area = π(8 in)^2 = π(64 in^2) = 64π in^2
For the 12-inch circular pizza:
- Radius = diameter/2 = 12 in/2 = 6 in
- Area = π(6 in)^2 = π(36 in^2) = 36π in^2
The difference in area between the two pizzas is:
64π in^2 - 36π in^2 = 28π in^2
Therefore, there is an additional 28π square inches of area in the 16-inch circular pizza compared to the 12-inch circular pizza.
How much more area is there in the 16-inch circular pizza compared to the 12-inch circular pizza shown below?
Diameter = 16 in
Diameter = 12 in
1 answer