Question

Apolygon is regular if each of its aides has the same length. Find the perimeter of the regular polygon. Its #36 please show how

Answer 1

3 cm

Explanation:

Find the value of x:

`5-2x=-4x+9`

`-2x+4x=-5+9`

`2x=4`

`x=4/2`

`x=2`

Find one side of the triangle by adding 2 as the value x:

`=5-2x`

`=5-2(2)`

`=5-4`

`=1`

Perimeter of the triangle:

1 × 3 = 3cm