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16-05-2021
Mathematics

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The length of a rectangle is 5 cm longer than its width.
If the perimeter of the rectangle is 42 cm, find its area.

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16-05-2021

Answer:

The area is 104

Step-by-step explanation:

Length: 5 + x

width: x

(5+x)*2=10+2x

x*2=2x

2x+10+2x=42

10+4x=42

-10 -10

4x=32

/4. /4

x=32

5+8=13

13*8=104

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