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

Answer:

3 cm

Step-by-step 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