Which polygon or polygons are regular

Answer 1

Regular polygons are polygons with all sides and angles equal. Examples of regular polygons include triangles, squares, pentagons, hexagons, octagons, and decagons.

Answer 2

1. A and B
2.B
3.A and C
4.D
5.D

Answer 3

1 ; A & C

2 ; B ; trapezoid

3 ; A & C

4 ; D ; an irregular quadrilateral

5 ; D ; 80 ft

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Answer 4

A&c
B
A&c
D
D