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  • 23-02-2017
  • Mathematics
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Which best explains whether a triangle with side lengths 5cm, 13cm, and 12cm is a right triangle?

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elsamelka
elsamelka elsamelka
  • 23-02-2017
It have to be the largest side square is equal to the sum of two legs which are square.
13*13= 5*5+ 12*12
169= 25+144
169=169
        They are equal so it is right angle.
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