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:
the numbers are 18 and 38
Step-by-step explanation:
x =smaller integer and y =larger integer
Answer:
-1 3/4
Step-by-step explanation:
Answer:
20
Step-by-step explanation:
5 divided by 1/4
5 x 4