To evaluate convex and concave polygons.

Answer to Problem 2CR
A convex
Explanation of Solution
Given information:
Convex and concave polygon.
Formula used: Polygon definition.
Calculation:
A polygon is defined as a plane figure with at least three straight sides and angles. There are two types of polygon:
- Convex polygon:A convex polygon isa polygon, with all interior angles less than 180°.
- Concave polygon : A concave polygon is a polygon, with at least one of its internal angles is greater than 180°.
Similarities between convex and concave polygons:
- Both concave and convex polygons are 2-dimensional plane figures.
- Both concave and convex polygons are closed figures.
- In both the polygons, angles less than 180° are present.
They are alike because they are polygons. Apart from this there is no similarity in between.
Difference between convex and concave polygon:
- Diagonals of a convex polygon will always go through the interior of the polygon, but in concave, at least one diagonal will go from the exterior of the polygon.
- All the angles of a convex polygon are less that 180°, but in a concave polygon, at least one angle will be greater than 128°.
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