Use polygon ABCDE below to answer the following questions.1. What are the vertic...

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Use polygon ABCDE below to answer the following questions.
1. What are the vertices, angles, and sides of the polygon
2. Classify the polygon by the number of sides.
3. Is the polygon convex or concave? Regular or not regular?

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Use polygon ABCDE below to answer the following questions.

1. What are the vertices, angles, and sides of the polygon?

Vertices are C, B, A, E and D.
Angles C, B, A, E and D.

$\large \rm \angle C, \: \angle B, \: \angle A, \: \angle E \: \: and \: \angle D$

Sides are CB, BA, AE, ED and DC.

$\large \rm \overline{CB}, \: \overline{BA}, \: \overline{ AE}, \: \overline{ED} \: and \: \overline{ DC}$

2. Classify the polygon by the number of sides.

Since the polygon consists of five sides, then it is a pentagon.

3. Is the polygon convex or concave? Regular or not regular?

The polygon is convex since all interior angles measures less than 180°, straight angle.
The polygon is irregular. Based on the illustration, the given sides are not congruent.

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