Is right?

Determine whether the triangle with legs (catheti) 19.5 cm and 26 cm and length of the hypotenuse 32.5 cm is rectangular?

Correct result:

x =  1

Solution:

a=19.5 cm b=26 cm c=32.5 cm  c1=a2+b2=19.52+262=652=32.5 cm c=c1  x=1

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