Answer:
The polygon has 6 sides.
Step-by-step explanation:
The sum of interior angle measures of a polygon is 720 degree.
(n-2)*180=720
180n-360=720
180n=720+360
180n=1080
n=1080/180
n=6
-5/25
-3/7=-16/24
-3/4=-21/24
Irrational