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Area of a circle is pi * r^2. Since the pie slice on the left has an angle of 60 degrees it is a portion of a circle. A circle is 360 degrees. So the slice (a “sector” of the circle) is 60/360 or 1/6 of the area of the circle. The sides of the pie slice are 6 inches. So that’s the radius (r) of the circle. So it is pi * 6squared. That is 3.1415 * 36. That is 113.09 square inches for the whole pie. But this slice (sector) is 1/6 of the pie. So that is .1666666 * 113.09 or 18.85 square inches of pizza. Do the same math for the other slice of pizza.

Price for slice is $1.50. That price, divided by 18.85 is $0.0796 per square inch.
And the other is 9.21¢/in2. Buy the $1.50 slice, if unit price value is all you care about. On the other hand, the 45° slice will be easier to fold and munch, which may be worth the extra 20¢. (The two slices' areas are very close to the same, doubtless within manufacturing tolerance of one another.)
 
And the other is 9.21¢/in2. Buy the $1.50 slice, if unit price value is all you care about. On the other hand, the 45° slice will be easier to fold and munch, which may be worth the extra 20¢. (The two slices' areas are very close to the same, doubtless within manufacturing tolerance of one another.)


Pizza logic applies here.

The cost is actually $1.60 each, because you’re going to eat both of them even if you have to sell plasma to get them.
 
And the other is 9.21¢/in2. Buy the $1.50 slice, if unit price value is all you care about. On the other hand, the 45° slice will be easier to fold and munch, which may be worth the extra 20¢. (The two slices' areas are very close to the same, doubtless within manufacturing tolerance of one another.)
Now calculate how much of each slice is the undesirable crust and figure that into the price per square inch.
 
And the other is 9.21¢/in2. Buy the $1.50 slice, if unit price value is all you care about. On the other hand, the 45° slice will be easier to fold and munch, which may be worth the extra 20¢. (The two slices' areas are very close to the same, doubtless within manufacturing tolerance of one another.)
A slice of pizza for $1.50 is a good deal if you get a free soda with free refills.
 
Now calculate how much of each slice is the undesirable crust and figure that into the price per square inch.
No, no, no, there is no undesirable crust. Get some dipping sauce and you've got yourself a breadstick at the end of each piece of pizza.

Even better, you can brush some melted butter with some garlic salt and oregano in it on the edge of your pizza.
 
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