By using the image of the polygon and the definition for the parts, we can see that:
- a) A, B, C, D, and E.
- b) DC and CB, AE and ED.
- c) AD, BE
- d) AB, BC, CD, DE, and EA.
How to identify the parts of the figure?
a) The vertices are the points where two sides connect, in this case, each letter represents a different vertex, so the vertices of the polygon are A, B, C, D, and E.
b) Adjacent sides are any pair of sides that are connected by a vertex.
For example, DC and CB are connected through vertex C, so these are adjacent sides.
Another pair can be BA and AE.
c) Diagonals are the segments between two non-consecutive vertices.
For example, E and D are consecutive vertices (because there are next to each other). And A and D are non-consecutive vertices.
Then AD is a diagonal. Another example can be EB.
d) The sides of the polygon are the segments between consecutive vertices, in this case, the sides are:
AB, BC, CD, DE, EA.
If you want to learn more about polygons, you can read:
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