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Helga [31]
2 years ago
12

Find the length of side xx in simplest radical form with a rational denominator.

Mathematics
1 answer:
anygoal [31]2 years ago
8 0

Answer:

x =   \frac{3}{ \sqrt{2} }

Step-by-step explanation:

{x}^{2}  +  {x}^{2}  =  {3}^{2}  \\ 2 {x}^{2}  = 9 \\  {x}^{2}  =  \frac{9}{2}  \\ x =  \frac{3}{ \sqrt{2} }  \\ x = 2.121

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