Apizza parlor offers pizzas with diameters of 8 in, 10 in, and 12 in. find the area of each size pizza. round to the nearest tenth. if the pizzas cost $9, $12, and $18 respectively, which is the better buy

Area of Pizza 1 = 50.24 sq. inch, Area of Pizza 2 = 78.5 sq. inch, Area of Pizza 3 = = 113.04 sq. inch

Thus, the pizza with diameter 8 inch is better to buy.

Step-by-step explanation:

We are given three pizzas with three different diameters.

= 8 inch ⇒ = 4 inch

= 10 inch ⇒ = 5 inch

= 12 inch ⇒ = 6 inch

Area of Circle = πr², where r is the radius of circle.

Area of Pizza 1 = 3.14 × 4 × 4 = 50.24 sq. inch

Area of Pizza 2 = 3.14 × 5 × 5 = 78.5 sq. inch

Area of Pizza 3 = 3.14 × 6 × 6 = 113.04 sq. inch

We are also given cost for each pizza.

= $9

= $12

= $18

To choose which one is a better pizza to buy, we calculate cost per square inch.

Cost per sq. inch =

Pizza 1 = = 0.18$ per sq. inch

Pizza 2 = =  0.15$ per sq. inch

Pizza 1 = =  0.16$ per sq. inch

Thus, the pizza with diameter 10 inch is better to buy.

depending on others is critical to survival. my source is apex!

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