Answer: interior angle: 156 degrees
exterior angle: 24 degrees
Step-by-step explanation:
i=interior angle. e=exterior angle
i+e=180
Triangle with 3 sides: Total degrees is 180
Square with 4 sides: Total degrees is 360
Pentagon with 5 sides: Total degrees is 540
s=sides. d=degrees
(540-360)/(5-4)=
180/1=180
d=180s+b
540=180(5)+b
540=900+b
b=-360
d=180s-360
d=180(15)-360
d=2700-360
d=2340 degrees
2340/15=156
i=156 ==> interior angle: 156 degrees
i+e=180
156+e=180
e=24 ==> exterior angle: 24 degrees