Question

these are all polygons, which of them are convex ?

Answer 1

A) All of them
B) 1, 2, 5
C) 2, 3, 4
D) 2 and 4
E) 1, 3, 5

Answer 2

A polygon is convex, if the line segment joining any two points inside the region of polygon STAYS completely inside the polygon itself.