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What are the dimensions of a rectangle that has a perimeter of 19.8 cm and an area of 24.3 square cm showing work?
Wiki User
∙ 7y ago
Divide the perimeter by 2 then find two numbers that have a sum of 9.9 and a product of 24.3 which will work out as 5.4 and 4.5 by using the quadratic equation formula.
Check: 2*(5.4+4.5) = 19.8 cm which is the perimeter
Check: 5.4*4.5 = 24.3 square cm which is the area
Therefore the dimensions of the rectangle are: 5.4 cm and 4.5 cm
Wiki User
∙ 7y ago
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