Respuesta :
Answer:
[tex]21\sqrt{2}[/tex]
Step-by-step explanation:
Special traingle relationships for a 45-45-90 triangle says that the hypotenuse is always (leg length)(square root 2).
[tex]21\sqrt{2} *\sqrt{2} =42[/tex]
Answer:
29.7
Step-by-step explanation:
[tex]x = \frac{42}{ \sqrt{2} } = 21 \sqrt{2} [/tex]
which is about 29.7.