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# geometry guide

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### geometry guide

1. 1. Geometry guide for dummies <ul><ul><li>Line </li></ul></ul><ul><ul><li>Quadrilaterals </li></ul></ul><ul><ul><li>Triangles </li></ul></ul><ul><ul><li>Circles </li></ul></ul><ul><ul><li>Angles </li></ul></ul>
2. 2. Lines <ul><li>Points </li></ul><ul><li>Skew </li></ul><ul><li>Line segments </li></ul><ul><li>Rays </li></ul><ul><li>Lines </li></ul><ul><li>Intersecting lines </li></ul><ul><li>Perpendicular lines </li></ul>
3. 3. Points <ul><li>A point is a precise location in space. It is labeled with a letter. </li></ul>
4. 4. Lines Two points connected going two different ways
5. 5. Planes A flat surface
6. 6. Skew Line not in the same plane
7. 7. Line segment A line pointing both direction
8. 8. Ray A line pointing one way
9. 9. Intersecting Lines Line that intersects
10. 10. Perpendicular Two Lines lines the same plane but will never touch
11. 11. Parallel Two line that will never intersect
12. 12. ANGLES <ul><li>Acute </li></ul><ul><li>Obtuse </li></ul><ul><li>Right </li></ul><ul><li>Straight </li></ul><ul><li>Vertex / vertices's </li></ul><ul><li>Complementary </li></ul><ul><li>Supplementary </li></ul><ul><li>Vertical / opposite </li></ul><ul><li>Adjacent </li></ul>
13. 13. Acute An angle less than 90 degrees
14. 14. Obtuse An angle over 90 degrees
15. 15. Right An angle that is 90 degrees
16. 16. Straight A 180 degree angle
17. 17. Vertex/ verticies A point where two lines meet
18. 18. Complementary Two angles adding to 90 degrees
19. 19. Supplementary Two angles adding to 180 degrees 120 60
20. 20. Vertical/ opposite Two angles on opposite sides that equal the same amount of degrees
21. 21. Adjacent Angles that are side by side
22. 22. Triangles <ul><li>Right </li></ul><ul><li>Obtuse </li></ul><ul><li>Acute </li></ul><ul><li>Scalene </li></ul><ul><li>Isosceles </li></ul><ul><li>Equilateral </li></ul><ul><li>Sum of internal angles </li></ul><ul><li>Perimeter </li></ul><ul><li>Area </li></ul>
23. 23. Right A triangle with all equal sides
24. 24. obtuse A triangle over 90 degrees
25. 25. Scalene A triangle with no equal sides
26. 26. Isosceles A triangle with 2 equal sides
27. 27. Equilateral A triangle with all equal sides
28. 28. Sum of internal angles All the angles inside
29. 29. Perimeter The product of the width and height 2 19 12 1 17
30. 30. Quadrilaterals <ul><li>Quadrilateral </li></ul><ul><li>Trapezoid </li></ul><ul><li>Parallelogram </li></ul><ul><li>rectangle </li></ul><ul><li>Rhombus </li></ul><ul><li>Square </li></ul><ul><li>Area of a rectangle </li></ul><ul><li>Area of a square </li></ul><ul><li>Area of a Parallelogram </li></ul><ul><li>Area of a Trapezoid </li></ul>
31. 31. Quadrilateral A shape with 4 parallel sides
32. 32. Trapezoid A shape with two parallel sides
33. 33. Parallelogram A shape with two equal sides
34. 34. Rectangle A shape with 4 congruent sides
35. 35. Rhombus A rectangle but also a diamond
36. 36. Square A rectangle but with 2 sets of parallel sides
37. 37. Area of a rectangle The base of the rectangle and the height of the rectangle.
38. 38. Area of a parallelogram Outside of a parallelogram
39. 39. Area of a trapezoid What is in the trapezoid 10 16 12 20
40. 40. Circles <ul><li>Chord </li></ul><ul><li>Diameter </li></ul><ul><li>Arc </li></ul><ul><li>Radius </li></ul><ul><li>Sector </li></ul><ul><li>Circumference </li></ul><ul><li>Area of a circle </li></ul><ul><li>Other polygons </li></ul>
41. 41. Chord Segment connecting two points A C
42. 42. Diameter 2x the radius
43. 43. Arc The distance around the edge 3.14
44. 44. Radius Half the diameter
45. 45. Sector A piece of the area
46. 46. Circumference The perimeter around the circle R 2
47. 47. Area of a circle The area around a circle
48. 48. Other Polygons Trapezoids, etc.
49. 49. Bye!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Made by Emiliano