It is your birthday and you are sharing your round cake amongst eight friends. By using only three cuts, how can you ensure that you get eight equal pieces?
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9
Obviously, this doesn't work in the plane. So you need a 3D solution.
A 3D solution is simple. Cut the cake with 2 perpendicular cuts through the center, then make a horizontal cut at half the height of the cake. It is not fair regarding topping, but you have 8 pieces.
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4
Answer:
we will first put two cuts on cake .
Then last cut at the middle of cake.
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