This Geometry Guide was made by a 6th grade student.

1. . Lines Angles Triangles Quadrilaterals Circles Geometry Guide

2. . Points Line Segments Rays Lines Intersecting Lines Perpendicular Lines Parallel Lines Skew Lines Lines

3. . A point is a precise location in space. It is labeled with a letter. Point K Points Point L

4. . Planes are a flat surface and they need to have 3 points. Point A Point B Point C Planes

5. . A line is a straight never ending thing that goes both ways. Line

6. . A line that ends on both sides. Line Segment

7. . A line that ends at one point and keeps going on forever on the other side. Ray

8. . Two lines that meet each other and keep going past each other. Intersecting Lines

9. . Two lines that meet in the middle and keep going but in the middle it creates four 90 degree angles. Perpendicular lines

10. . Two lines that never touch and go the same way. Parallel Parallel Lines

11. . Lines that aren't in the same field Skew Skew Lines

12. . acute obtuse right straight vertex/vertices complementary supplementary vertical/opposite adjacent Angles

13. . An angle that is less that is smaller than 90 degrees. Acute Angle

14. . An angle that is over 90 degrees is the obtuse angle. Obtuse Angle

15. . An angle that goes directly 90 degrees. Right Angle

16. . A straight line is 180 degrees. Straight

17. Vertex/Vertices A vertex is the middle point. Vertices is the plural of vertex. Vertices Vertex

18. Complementary Two angles that add up to 90 degrees. 75 degrees 15 degrees

19. Supplementary 2 angles that add up to 180 degrees 80 degrees 100 degrees

20. Vertical/Opposite Opposite sides of a shape

21. Adjacent Two angles that are next to each other.

22. Triangles right obtuse acute scalene isosceles equilateral sum of internal angles perimeter area

23. Right An right angle in one of the angles of a triangle.

24. Obtuse An angle of a triangle that's bigger than 90 degrees.

25. acute An angle of a triangle that is less than 90 degrees.

26. . A triangle that has no equal sides. Scalene

27. . A triangle that has two sides that are equal. Isosceles

28. . A triangle with all equal sides. Equilateral

29. . All of the sides that add up to 180 degrees. Sum of internal angles 150 degrees 30 degrees

30. . The length around a triangle 70 degrees 40 degrees 90 degrees

31. . The area around the triangle. area 80 degrees 20 degrees 80 degrees 30 degrees

32. . quadrilateral trapezoid parallelogram rectangle rhombus square area of a rectangle area of a square area of a parallelogram area of a trapezoid Quadrilaterals

33. . A shape that has 4 sides. Quadrilateral

34. . A shape that has a set of parallel sides. Trapezoid

35. . A figure with 2 sets of parallel sides. Parallelogram

36. . A figure with 2 parallel sides and 4 right angles. Rectangle

37. . A shape that has two sets of parallel sides and opposite angles. Rhombus

38. . A figure that has 4 right angles and 2 sets of parallel sides and equal angles. Square

39. . The space in the rectangle. Area of a Rectangle 10 cm 20 cm 10cm A=240cm2

40. . The space inside a square. Area of a Square 40cm 40cm 40cm A=1600cm2

41. . The space inside a parallelogram. Area of a Parallelogram 20m 30m 30m 20m 20m A=600m2

42. . The space inside a trapezoid Area of a Trapezoid 20 cm 20 cm 20 cm 30 cm 10 cm A=200 cm2

43. . chord diameter arc radius sector circumference area of a circle Circles

44. . A segment connecting 2 points on a circle Chord Point A Point B

45. . The chord which passes through the center. Diameter

46. . Distance on outside edge. Arc A B

47. . Half of a diameter. Radius

48. . A piece of the area. Sector

49. . Distance around the circle. Circumference C

50. . The space inside a circle. Area of a Circle

51. . pentagon hexagon octagon

52. . A shape that has 5 sides. Pentagon

53. . A shape that has 6 sides. Pentagon Hexagon

54. . A shape that has 8 sides. Pentagon Octagon

55. The End