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Set. Sail. Worktext p. 170. 1. regular triangle quadrilateral irregular triangle. 2. octagon hexagon irregular polygon. 3. irregular hexagon regular polygon irregular octagon. 4. 5 vertices 6 angles irregular polygon. 5. regular triangle right triangle 4 angles. 6.
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Set Sail Worktext p. 170
1 regular triangle quadrilateral irregular triangle
2 octagon hexagon irregular polygon
3 irregular hexagon regular polygon irregular octagon
4 5 vertices 6 angles irregular polygon
5 regular triangle right triangle 4 angles
6 irregular quadrilateral rectangle regular quadrilateral
16 P R Q P, QPR, or RPQ right
17 L N M M, LMN, or NML acute
18 F G E F, EFG, or GFE obtuse