144.
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No square unit is equal to any un-squared unit."Foot squared" is an area, but "inches" are lengths.If you want to, you can convert 4 foot squared to inches squared, but not to inches.This is how you would do it:First, you need to know the basic measurement conversion. 1 foot = 12 inches.Also, you need to know that a number squared is that number times itself.1 foot = 12 inches(1 foot) squared = (12 inches) squared = (12 inches) x (12 inches) = 144 inches squared.4 foot squared = 576 inches squared.
3 squared is equal to 9
(a+b)(a+b)Also equal to a2+2ab+b2
4 m squared 1cm sqaured is equal to 0.0001m squared