tina4john tina4john

12-09-2016
Mathematics

contestada

the width of a rectangle is 8cm less then its length the perimeter of the rectangle is 52 cm. what is the width of the rectangle

Respuesta :

12-09-2016

P=2L+2a
w=L-8, P=52
52=2L +2(L-8)
52=4L-16
68=4L
L=17, w=9

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