Utsav's Pizza Party

Utsav wants to throw a mini party for his school friends. However he doesn't have enough money so he buys 1 1 pizza. He finally decides to make 8 8 chord-like cuts in the pizza. Find the maximum number of pieces he can make to the pizza.


The answer is 37.

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1 solution

Vinayak Verma
Feb 27, 2014

We'll make f i r s t first cut in the pizza and we'll get 2 2 pieces.Now, we'll make our s e c o n d second cut intersecting the f i r s t first cut. We'll se that we have a total of 4 4 pieces, 2 2 in addition to the 2 2 pieces we got after our first cut. Similarly, we'll make another cut intersecting the previous 2 2 cuts made earlier and get 3 3 more pieces to get a total of 7 7 pieces and so on.. As a result, after 8 8 cuts we will get 37 \boxed{37} pieces.

There is an alternate formula for calculating the no. of pieces and it is as follows: n 2 + n + 2 2 \boxed{\frac{n^2+n+2}{2}} where n n are the no. of cuts made.

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