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3 years ago

A room has an area of 456 square feet. One dimension is 5 feet more than the other. What is the dimensions of the room?

1 answer:

4 0

<span>Draw a rectangle. Label the length x and the width (x+5). A = L*W => x(x+5)=456 => x^2 +5x-456=0 => Solve for x using Quad formula. x=19 and x=-24
</span><span>So your dimensions are 19 and 24</span>

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3 years ago

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Nadusha1986 [10]

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$a^{2} +b^{2} =c^{2} \\a^{2} +16^{2} =20^{2} \\a^{2} +256=400\\a^{2} =144\\a=12$

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