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06-10-2021
Mathematics

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the length of a rectangle is 3 times its width. the perimeter is 55. find the length and width of the rectangle

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shahdKotb shahdKotb

06-10-2021

Answer:

Step-by-step explanation: L= length w= width p= perimeter

L=3W p=55CM

P. of rectangle= 2(l+w)=55cm

L+w= 55/2= 27.5 cm

3w+w=27.5cm

4w=27.5cm

w=27.5/4=6.875cm w=6.875cm L= 3w=6.875*3=20.625cm

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