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What's the minimum number of straight cuts required to cut a pizza into 7 pieces of equal area?

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Without taking the pizza out of the box or moving any part of it, what's the minimum number of straight cuts required to cut it into 7 pieces of equal area? A straight cut may start and end anywhere, and the pizza comes uncut and round in the box.

posted Jun 7, 2018 by anonymous

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1 Answer

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Answer: 4 cuts
A vertical line to cut 1/7 of the pizza (on the left). Another vertical line to cut 2/7 of the pizza (on the right).

A vertical cut to divide the center piece in half.

At last a horizontal line passing thru the center of the pizza to divide in half the three pieces on the right.

here is the image.

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answer Jul 17, 2018 by Mogadala Ramana
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