SOLUTION: i need help solving this problem:
The length of a rectangle is 3 cm more than the width. The area is 70 cm^2. Find the dimentions of the rectangle.
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Question 435486: i need help solving this problem:
The length of a rectangle is 3 cm more than the width. The area is 70 cm^2. Find the dimentions of the rectangle.
Found 2 solutions by solver91311, MathLover1:
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
Let 
represent the length. Then 
represets the width. The area of a rectangle is the length times the width, so:
\ =\ 70)
Solve for . Discard the negative root (no such thing as negative length). Calculate
John
My calculator said it, I believe it, that settles it
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
given:
The length of a rectangle: is more than the width .
The area is .
Find:
the dimentions of the rectangle
...........substitute in
..solve quadratic for and use only positive root because could not be negative
......now find
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