Integer sides

A right triangle with an integer length of two sides has one leg √11 long. How much is its longest side?

Correct answer:

c =  6 cm

Step-by-step explanation:

a=11=113.3166  c2  = a2+b2 c2 = 11 + b2  c2=11+b2=11+52=11  b=5 c=6=6 cm

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