Question 1191938
sum of interior angles = (n-2)*180
sum of exterior angles is always 360.
7*360 = (n-2)*180
divide both sides of this equation by 180 to get
7*2 = n-2
add 2 to both sides of this equation and simplify to get:
16 = n


number of sides is equal to 16.
sum of exterior angle is 360.
sum of interior angles is 14*180 = 2520
2520/360 = 7