Mastering Geometry: Identifying Angles, Lines, and Triangles

1. Unit 8 Review Geometry

2. I can identify types of angles

3. #1 All of the following are examples of what type of angle? Why? Acute angles because they are all less than 90 degrees

4. #2 All of the following angles are what type of angles? How do you know?  Obtuse angles because they are greater than 90 degrees but less than 180 degrees

5. #3 What type of angle is shown below?  A straight angle because it is exactly 180 degrees

6. #4 What type of angles are shown below?  Right angle because they are exactly 90 degrees

7. I can recognize and name lines, segments, rays and angles

8. #6 Name the pictures shown below Ray AB Point A Line segment AB

9. #9 Name this angle. Angle JKL or LKJ OR Angle K

10. #10 What is the vertex of this angle?. 560 ÷ 7 The vertex is at point K where the two rays meet

11. #11 Name this angle. Angle B or Angle ABC or Angle CBA

12. I can recognize and name lines, segments, rays and angles

13. #12 What are 3 ways you can name the two angles below? angle KLM, Angle MLK or angle L angle RTS, Angle STR or angle T

14. I can draw and measure angles

15. What is the measurement of this angle? #14 50 degrees

16. #15 What is the degree measure of angle DOA? 90 degrees

17. #15 What is the degree measure of angle EOA? 120 degrees

18. I can recognize angle measures in circles What types of angles are shown? Acute angle and right angle

19. I can recognize angle measures in circles Obtuse angle and straight angle

20. I can name triangles by their sides and angles

21. #16 What kind of triangles are shown below? Acute Right Acute

22. What kind of triangles are shown below? Obtuse, right, obtuse

23. #18 What kind of triangles are shown below? Acute, obtuse, acute

24. #19 Name the following triangles according to their sides Equilateral, right, equilateral Isosceles, isosceles, scalene

25. I know that an angle is the sum of the measure of its parts

26. #20 45 degrees

27. #21 90 degrees

28. #22 108 degrees

29. #23 50 degrees

30. I can identify parallel, perpendicular and intersecting lines

31. #26 Tell whether the lines below are parallel,perpendicular, intersecting, or neither Perpendicular and intersecting

32. #27 Tell whether the lines below are parallel,perpendicular, intersecting, or neither neither

33. #28 Tell whether the lines below are parallel,perpendicular, intersecting, or neither parallel

34. #30 Tell whether the lines below are parallel,perpendicular, intersecting, or neither intersecting

35. Name two streets that are parallel to Lincoln Street Washington and Jefferson

36. Name 2 streets that are perpendicular to Lincoln Street First, Second, Third, Fourth, Fifth and Sixth

37. I can classify and identify various polygons

38. #35 I have four sides and four angles. All of my four sides and angles are equal. What polygon am I? A square

39. #36 I am a four sided polygon. Two of my sides are parallel and two are not. What am I? Trapezoid

40. #37 I am a four sided polygon with 2 pairs of parallel sides. What am I? Parallelogram or rectangle

41. #38 I am a triangle with 2 equal sides What am I? Isosceles triangle

42. I can identify lines of symmetry

43. #38 I am a triangle with 2 equal sides What am I? Isosceles triangle

44. #38 Is the dotted line on the circle a line of symmetry? No

45. #38 Is the dotted line on the circle a line of symmetry? Yes

46. #38 Is the dotted line on the circle a line of symmetry? No

47. #38 How many lines of symmetry does this figure have? 2

48. #38 How many lines of symmetry does this figure have? 0

49. #38 How many lines of symmetry does this figure have? 6