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"If you have a square and you cut off one corner, how many corners do you have left?" asked Mrs. Wheeler. "Easy," answered Tony. "Three." "Wrong, Tony!" cried Donnie. Where did Tony go wrong? Explain (including a sketch).
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FIVE!

Cutting one corner off from the square object will produce two new corners, of more obtuse angles than right-angles on what was previously a square object.

Actually that is not yet complete.
You could say EIGHT corners; because cutting off the one corner from the square forms a pentagon and and a triangle. You could call the vertices of the triangle, "corners".
ago by Diamond (63,676 points)
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