kiere123 kiere123

17-04-2017
Mathematics

contestada

Please help me Iv Vern stuck on this question above

Please help me Iv Vern stuck on this question above class=

Respuesta :

17-04-2017

The perimeter is the sum of all side lengths so:

p=2r+5+2r+4r-3+r combining like terms...

p=9r+2

....

If p=65 then

9r+2=65

9r=63

r=7

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