Answer:
21
Step-by-step explanation:
you plug in 5 for a and 6 for b and solve.
Answer:
it's 190 which mean C
Step-by-step explanation:
Answer:
An 18 sided shape.
Since the sum of the exterior angles of a polygon is 360° and an angle of the regular polygon is 20°, then 360° / 20° is the number of sides. We find the answer = 18, an octadecagon
