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20-09-2021
Mathematics

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The length of a rectangle is 6 cm longer than its width.
If the perimeter of the rectangle is 40 cm, find its area.

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20-09-2021

2(6+w)+2(w)=40
12+2w+2w=40
12+4w=40
4w=28
w=7
Now we know that the width is 7; abd the length is 7+6 which is 13.
To find the area we multiply 13x7
The area is 92cm squared

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