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 answer:

x =  1

Step-by-step explanation:

$$\begin{gathered} a=19.5\text{ cm } \\ b=26\text{ cm } \\ c=32.5\text{ cm } \\ {c}_1=\sqrt{a^2+b^2}=\sqrt{19.5^2+26^2}={\displaystyle \frac{65}{2}}=32\frac{1}{2}=32.5\text{ cm } \\ c=c_1 \\ x=1=1 \end{gathered}$$

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