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18-11-2019
Mathematics

contestada

The length of a rectangle is 6 cm longer than its width.
If the perimeter of the rectangle is 36 cm, find its area.

Respuesta :

18-11-2019

l= 6+w
6+2w=36
-6 -6
2w=30
w=15; l= 21
15x21= 315
A=315

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