Chapter 8.4, Problem 42E

### Elementary Geometry for College St...

6th Edition
Daniel C. Alexander + 1 other
ISBN: 9781285195698

Chapter
Section

### Elementary Geometry for College St...

6th Edition
Daniel C. Alexander + 1 other
ISBN: 9781285195698
Textbook Problem
1 views

# In Exercises 34-44, use your calculator value of π unless otherwise stated. Round answers to two decimal places.A pizza with a 12 in diameter costs $6.95. A 16 in diameter pizza with the same ingredients cost$9.95. Which pizza is the better buy.

To determine

To Find:

Explanation

It is given that the diameter of the pizza is 12 in.

Therefore, the radius of the pizza is r=d2=122=6

The area of the pizza is A=πr2.

Here, π=3.1416.

Therefore, A=3.1416(6)2=113.09.

Therefore, the area of the pizza is 113.09 in2.

The cost of the pizza is \$6.95.

The cost of the pizza per square inch is 113.096.95=16.27.

The diameter of the other pizza is 16 in

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