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
Answer: 3:4
Step-by-step explanation: because the ratio of a :b is 2:3 which means b is 3 . And the ratio of a:c is 3 :4 which means c is 4.
And 3:4 is in simplest form .
Hope it helps.
Answer:
option d
Step-by-step explanation: