3. A rectangle has a length 3 cm greater than the width. If the perimeter is 34 cm.
Find the width and length.
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Answer:
Width = 7 cm
Length = 10 cm
Step-by-step explanation:
Let the width of the rectangle = x
Length of the rectangle = x+3
Perimeter of rectangle = 2(l+b)
Perimeter = 2(x+x+3)=34
Perimeter = 2x+3 = 34/2
2x+3 = 17
2x = 17-3
2x = 14
x=14/2
x=7
Width of rectangle = 7 cm
Length of rectangle = 10 cm
Width is 7cm and length is 10 cm
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