Respuesta :

TheAakash
You can set up a ratio of side lengths as follows:
[tex] \frac{63}{x} = \frac{42}{50} [/tex]

Now we just solve for x (by cross-multiplying):
[tex]63*50 = 42x[/tex]
[tex]x = \frac{63*50}{42} = 75[/tex]

So, x = 75 units.

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