Did you need the answer to the equation? Or did you need the term of the equation?
Step-by-step explanation:
Each interior angle=140°
(n-2)180°/n=140°
180°n-360°/n=140°
180°n-360°=140°n
180°-140°=360°
40°n=360°
n=360°/40°
n=9
Hence, the number of sides of the polygon is 9.
It is nonagon .
Answer:
c
Step-by-step explanation:
Answer:
$198
Step-by-step explanation:
198x.07=13.86
198+13.86=211.86