GATE CH 2021 | GA | Question: 2

Question

A polygon is convex if, for every pair of points, $P$ and $Q$ belonging to the polygon, the line segment $PQ$ lies completely inside or on the polygon. Which one of the following is $\underline{ \text{NOT}}$ a convex polygon?

• A.
• B.
• C.
• D.

Answer 1

In convex all interior angle is less than 180 degree But in concave atleast one interior angle is less than 180 degree

Ans :-A