Find the perimeter of the regular polygon
The perimeter of the polygon is ______ units
1 answer:
Answer:
3
Step-by-step explanation:
Set the sides equal to one another because it's an equalteral triangle.
5 - 2x = -4x + 9
Add 4x to the left side and subtract 5 getting 2x = 4 meaning x=2
Plug X into the equation for the sides 5 - 2(2)=1
1+1+1= 3 because there are 3 sides that equal 1.
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