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5 August, 18:59

Find a counter example to following bad definition: a square has four right angles

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  1. 5 August, 20:30
    0
    Answer: Hello there!

    We want to find a counterexample to: "a square has four right angles" then we need to find a figure that has four right angles and is not a square.

    A first example can be a cross (two segments that cut each other and are perpendicular), but let's think in a geometric shape.

    Think on a square that in the middle of each side has a small semicircle; this shape still has four right angles but is not more a square.

    There you have two counterexamples of the definition given.
  2. 5 August, 20:45
    0
    a flat figure with 4 equal straight sides and four right angles
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