Taylorcarter040 Taylorcarter040
  • 26-04-2016
  • Mathematics
contestada


Which set of three numbers could represent the lengths of the sides of a right triangle?







A.

7, 24, 25






B.

8, 9, 10






C.

9, 11, 14






D.

15, 18, 21

Respuesta :

dasetka
dasetka dasetka
  • 28-04-2016
All you have to do is use the Pythagorean theorem (a² + b² = c²) on all of them. Since, the hypotenuse is always the longest side, use the biggest number for c. 
A: 7² + 24² = 25²
   49 + 576 = 625
           625 = 625

Luckily, the answer is A.
Answer Link

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