3.  Review

4. Yes, it is a polygon

5. No, it has a curved side

6. Yes, it is a polygon

7. Hexagon, Convex

8. Dodecagon, Concave

9. Heptagon, Concave

10. Equilateral

11. None of These

12. Regular

13. 1 2 Vertical Pair

14. 160° Supplementary Angles 20°

15. 1 2 Linear Pair

16. 55° Complementary Angles 35°

17. 1 2 Vertical Pair

18. 60° Complementary Angles 30°

19. 1 2 Linear Pair

20. 90° Supplementary Angles 90°

21.  Parallel Lines  Perpendicular Lines

22.  New Material

23.  Complete the Triangle definition investigation on page 60 & 61.

24.  A right triangle is a triangle that has one right angle

25.  An acute triangle is a triangle that has three acute angles

26.  An obtuse triangle is a triangle that has one obtuse angle

27.  A scalene triangle is a triangle with no congruent sides

28.  An equilateral triangle is a triangle that has three congruent sides

29.  An isosceles triangle is a triangle that has at least two congruent sides

30. Base Base Angles Vertex angle Isosceles Triangle

31. Homework Page 62 #1-7, 17-21

32.  Turn to page 64. We will work through each definition as a class.

33.  A trapezoid is a quadrilateral with exactly one pair of parallel sides

34.  A kite is a quadrilateral with two distinct pairs of consecutive congruent sides

35.  A parallelogram is a quadrilateral with two pairs of parallel sides

36.  A rhombus is an equilateral parallelogram

37.  A rectangle is a parallelogram with four congruent angles

38.  A square is an equilateral rectangle.  A square is an equiangular rhombus.  A square is a regular quadrilateral.

39.  Homework:  Page 62 #1-7, 17-21  Page 66 #1-12