A rule of polygons is that the sum<span> of the </span>exterior angles<span> always equals 360 degrees, but lets prove this for a regular </span>octagon<span> (8-sides). First we must figure out what </span>each<span>of the interior </span>angles<span> equal. To do this we use the </span>formula<span>: ((n-2)*180)/n where n is the number of sides of the polygon</span>
Answer:
0.156
Step-by-step explanation:
15 3/5%=(15+ 0.6)/100=15.6/100=0.156
X + 8x = 81
9x = 81, x = 9
y = 8(9), y = 72
Solution: (9, 72)
