To evaluate whether the figure is polygon or not.
Answer to Problem 8CR
The figure given above is a concave polygon.
Explanation of Solution
Given information:
An 8-sided figure
Formula used: Polygon Definition
A figure is said to be a polygon if it is enclosed with straight lines. It should be 2 dimensional.
As the given figure is enclosed with lines and is 2-dimensional, it is a polygon.
To classify whether the of the polygon is concave or convex, identify the interior angles of the polygon. As given that 4 of the interior angles are greater than 180°, hence it is a concave polygon.
Chapter 10 Solutions
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
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