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Well, the formula for the area of a rectangle is base times height equals area, or (b)(h)=(a). so if you have a square that is 4 inches by 4 inches your equasion would be (4)(4)=16, or 4^2=16 (4 squared). The 4 squared only works if you're multipling the same number. For example 5 times 5 is equal to 5^5 and they both equal 25. That wouldn't work with a rectangle that is 5 by 7. You would have to do 5 times 7 and get 35 units squared, or 35 square units.
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CoachTo use a formula in math, first, identify the formula you need to apply for the specific problem or calculation. Next, substitute the given values into the formula in place of the variables. Finally, simplify and solve the equation to obtain the result. Make sure to use any necessary mathematical operations such as addition, subtraction, multiplication, and division according to the formula.
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