Respuesta :

maxsheakoski

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]

Medunno13

Answer:

29.7

Step-by-step explanation:

[tex]x = \frac{42}{ \sqrt{2} } = 21 \sqrt{2} [/tex]

which is about 29.7.