A rectangle has a perimeter of 20 inches and an area of 24 square inches. What are the length and width of the rectangle?
1 answer:
Perimeter = 2(L + W) = 20 or L + W = 10
And Area = L x W = 24
So with have the SUM "S" of 2 numbers and te PRODUCT "P' of same numbers, then
we can apply te quadratic equation X² -SX + P
X² - 10X + 24 = 0, solve this equation and you'll find L = 6 in and W = 4in
or 4 in x 6 in
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A is correct...
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