4 years ago

How do I do this !?!!

1 answer:

7 0

Perimeter is the sum of all sides.
In this case:
a)
Perimeter=(x-2)+(2x-6)+(3x-9)
b)
perimeter=(<span>x-2)+(2x-6)+(3x-9)
perimeter=(x+2x+3x)+(-2-6-9)
perimeter=6x-17
c)
if x=6
</span><span>perimeter=6x-17
</span>perimeter=6*6-17=36-17=19
perimeter=19

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