SOLUTION: If the ratio for the sides of a rectangle are 2:5:2:5 and the area of the rectangle is 90, what is the size of each side?
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Question 836702: If the ratio for the sides of a rectangle are 2:5:2:5 and the area of the rectangle is 90, what is the size of each side?
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
A = LW
A = (2x)(5x)
A = 10x^2
90 = 10x^2
90/10 = x^2
9 = x^2
x^2 = 9
x = sqrt(9)
x = 3
------------------
2x = 2*3 = 6
5x = 5*3 = 15
The dimensions of this rectangle is 6 by 15
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