Curved outwards.
Example: A polygon (which has straight sides) is convex when there are NO "dents" or indentations in it (no internal angle is greater than 180°)
The opposite idea is called "concave".
Example: A polygon (which has straight sides) is convex when there are NO "dents" or indentations in it (no internal angle is greater than 180°)
The opposite idea is called "concave".
See: Concave
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