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lawyer [7]
3 years ago
13

How much more pizza is in a 12-in.diameter pizza than an 8-in.diameter pizza?

Mathematics
2 answers:
lyudmila [28]3 years ago
4 0

Answer: 62.8 in2

Step-by-step explanation:

e-lub [12.9K]3 years ago
3 0

Answer:

62.8 in2

Step-by-step explanation:

With round pizza we need to

find the area of each pizza in

square inches, then determine

the difference.  

The area of a circle is given by:

A = πr2

 

12 inch diameter, radius = 6

a = π(62) = 36π in2

 

8 inch diameter, radius = 4

a = π(42) = 16π in2

 

Difference:  36π - 16π = 20π in2

 

using 3.14 for pi, the difference is

20(3.14) = 62.8 in2

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