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1.The length of a rectangle is 1 cm more than its width and its perimeter is 14 cm. Then the area ofrectangle is​

Answer»

Answer:

LET the WIDTH be X and length x +1

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perimeter= 2(l+b)

14 = 2(x+x+1)

14/2 = 2x+1

7-1= 2x

x= 3 cm

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then , length= 3+1 = 4

width= 3

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area= l × b

=4 × 3

= 12cm^2


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