3 years ago

Find the perimeter of the regular polygon The perimeter of the polygon is ______ units

Mathematics

1 answer:

Bogdan [553]3 years ago

8 0

Answer:

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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