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What are the dimensions of a rectangle with an area of 72 square centimeters and a perimeter of 36 centimeters?

User Dariss
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1 Answer

16 votes
16 votes

Answer:

length=12 cm, width=6 cm

Step-by-step Step-by-step explanation:


lw = 72


w = (72)/(l)


2(l + w) = 36


l + w = 18


l + (72)/(l) = 18


{l}^(2) + 72 = 18l


{l}^(2) - 18l + 72 = 0


(l - 12)(l - 6) = 0


l = 12


w = 6

User Neelshiv
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