3 years ago

A polygon is regular if each of its sides has the same length. Find the perimeter of the regular polygon. #36

1 answer:

5 0

36) Answer: 3cm

Finding the value of x:
5 - 2x = -4x + 9
-2x + 4x = -5 + 9
2x = 4
x = 2

Finding one side of the triangle:
5 - 2(2)
= 1cm

Perimeter of the triangle:
1 x 3
= 3cm

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