Respuesta :

TalShmueli

Answer:

x=9.89

Step-by-step explanation:

since both missing sides are equal, we give length x to both.

then, using the Pythagorean theorem, a²+b²=c², we get:

x²+x²=14²

we aolve for x:

2x²=14²

x²=14²/2

x=sqrt(14²/2)=9.89

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