SOLUTION: The length of a rectangle is 5 more than the sides of square and the width of the rectangle is 5 less than the side of the square. If the area of the square is 45, what is the area

Algebra ->  Rectangles -> SOLUTION: The length of a rectangle is 5 more than the sides of square and the width of the rectangle is 5 less than the side of the square. If the area of the square is 45, what is the area      Log On


   

Question 985497: The length of a rectangle is 5 more than the sides of square and the width of the rectangle is 5 less than the side of the square. If the area of the square is 45, what is the area of the rectangle?
Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
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a=side of square; L=length of rectangle=a+5; W=width of rectangle=a-5
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Area of square=45
a%5E2=45
a=sqrt%2845%29
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L=a%2B5=sqrt%2845%29%2B5
W=a-5=sqrt%2845%29-5
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Area of rectangle=L*W
Area=%28sqrt%2845%29%2B5%29%28sqrt%2845%29-5%29=45-25=20