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A pizza with a diameter of 24 inches is cut into 16 equal slices. To the nearest square inch, what is the area of each slice of the pizza?

A. 28 in[tex]\(^2\)[/tex]
B. 5 in[tex]\(^2\)[/tex]
C. 9 in[tex]\(^2\)[/tex]
D. 57 in[tex]\(^2\)[/tex]

Sagot :

To find the area of each slice of a pizza with a diameter of 24 inches that is cut into 16 equal slices, follow these steps:

1. Calculate the radius of the pizza:
The radius is half of the diameter, so for a pizza with a diameter of 24 inches, the radius [tex]\( r \)[/tex] is:
[tex]\[ r = \frac{24}{2} = 12 \text{ inches} \][/tex]

2. Calculate the area of the entire pizza:
The formula for the area [tex]\( A \)[/tex] of a circle is given by:
[tex]\[ A = \pi r^2 \][/tex]
Substituting the radius [tex]\( r = 12 \)[/tex] inches:
[tex]\[ A = \pi (12^2) = \pi \times 144 \approx 452 \text{ square inches} \][/tex]

3. Calculate the area of each slice:
Since the pizza is divided into 16 equal slices, the area of each slice [tex]\( A_{\text{slice}} \)[/tex] is:
[tex]\[ A_{\text{slice}} = \frac{A_{\text{pizza}}}{16} = \frac{452}{16} \approx 28 \text{ square inches} \][/tex]

Therefore, the area of each slice of the pizza, to the nearest square inch, is:

A. 28 in[tex]\(^2\)[/tex]