1. Compare and Contrast Polygons Unit 4 Lesson 3

2. Polygon poly-- gon “many”“angle”

3. congruent Non congruent

4. 90 degrees (90°) Angles greater than 90 degrees ( >90°) Angles less than 90 degrees (< 90°)

5. Equilateral triangle Isosceles triangle An equilateral triangle has all congruent sides An isosceles triangle has all at least two congruent sides

6. No equal sides No equal angles

7. Right trapezoid having two right angles

8. intersect or meet to form right angles always are the same distance apart and never touch Perpendicular linesParallel lines

9. Tile the floor Tile the backsplash in the kitchen