Question 353430: A 30 ft by 40 ft rectangle has two squares of side x removed from it. The remaining area is 1000 square feet. Find x Answer by mananth(16946) (Show Source):
You can put this solution on YOUR website! 30*40 = 1200 sq.ft
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side x of square
area = x^2
2 squares = 2x^2
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1200-2x^2= 1000
2x^2=200
/2
x^2= 100
take squareroot
x= 10 ft
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m.ananth@hotmail.ca
