SOLUTION: The sides of a rectangle are in a ratio 3:4. What is the length of the shorter sides of the rectangle if its perimeter is 42 cm?
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Question 648746: The sides of a rectangle are in a ratio 3:4. What is the length of the shorter sides of the rectangle if its perimeter is 42 cm?
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
2(3x+4x)=42
6x+8x=42
14x=42
x=42/14
x=3
3x=9cm short side
4x=12cm
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