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# Geomitry101

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### Geomitry101

1. 1. Jarah's Guide to Geometry <ul><li>Lines </li></ul><ul><li>Angles </li></ul><ul><li>Triangle </li></ul><ul><li>Quadrilaterals </li></ul><ul><li>Circle </li></ul>
2. 2. Lines <ul><li>Points </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><ul><li>Parallel Lines </li></ul><ul><li>Skew Lines </li></ul><ul><li>Planes </li></ul>
3. 3. LINES
4. 4. Points <ul><ul><li>A point is a precise location in space. It is labeled with a letter. </li></ul></ul>Point J Point T
5. 5. Line Segment <ul><ul><li>A straight line that can be measured </li></ul></ul>
6. 6. Rays A strait line that continues from a point J T
7. 7. Lines <ul><ul><li>Ex: Train Tracks,horizon </li></ul></ul>J T
8. 8. Intersecting Lines <ul><ul><li>Lines that cross at a point </li></ul></ul>
9. 9. Perpendicular Lines <ul><ul><li>Two lines that intersect to form right angles </li></ul></ul>
10. 10. Parallel Lines <ul><ul><li>Lines in a plane that are always the same distance </li></ul></ul>
11. 11. Skew Lines <ul><ul><li>Lines that aren't in the same plane </li></ul></ul>
12. 12. Planes <ul><ul><li>A flat surface that extends without end in all directions </li></ul></ul>PLANE -J
13. 13. ANGLES
14. 14. ACUTE ANGLES <ul><ul><li>An acute angle is less than ninety degreess </li></ul></ul>
15. 15. OBTUSE <ul><ul><li>A obtuse angle is over ninety degrees </li></ul></ul>
16. 16. RIGHT <ul><ul><li>A right angle is exactly ninety degrees </li></ul></ul>
17. 17. STRAIGHT <ul><ul><li>A straight angle equals 180 degrees </li></ul></ul>
18. 18. VERTEX/VERTICES <ul><ul><li>The vertex is in the middle </li></ul></ul>
19. 19. COMPLEMENTARY <ul><ul><li>Two angles whose measures have a sum of ninety degrees </li></ul></ul>
20. 20. SUPPLEMENTARY <ul><ul><li>Two angles whose measures a sum of one hundred eighty degrees. </li></ul></ul>
21. 21. VERTICAL/OPPOSITE <ul><ul><li>A pair of congruent angles formed across from each other where two lines intersect </li></ul></ul>J T
22. 22. ADJACENT <ul><ul><li>Two angles that are next to each other and add up to 180 degrees </li></ul></ul>60 120
23. 23. TRIANGLES
24. 24. RIGHT The largest angle is angle exactly ninety degrees 45 45
25. 25. OBTUSE The largest angle is over ninety degrees 100 40 40
26. 26. ACUTE The largest angle is less than ninety degrees 45 55 80
27. 27. SCALENE A triangle with no congruent sides 34cm 64cm 57cm
28. 28. ISOSCELES A triangle with exactly two congruent sides 67cm 67cm 62cm
29. 29. EQUILATERAL A triangle with three congruent sides. 68 68 68
30. 30. SUM OF INTERNAL ANGLES The sum when you add all three sides of the triangle 65 68 67 65+68+67=200
31. 31. PERIMETER The perimeter of a triangle is all the side added together 12 12 12 12 24+24=48
32. 32. AREA OF A TRIANGLE The hight times width divided by two
34. 34. QUADRILATERALS A polygon with four sides and four angles
35. 35. TRAPIZOID A quadrilateral with exactly two parallel sides
36. 36. PARALELLAGRAM A quadrilateral that has opposite sides that are parallel and congruent
37. 37. RECTANGLE A parallelogram with four right angles
38. 38. RHOMBUS A parallelogram with four congruent sides
39. 39. SQUARE A rectangle with four congruent sides
40. 40. AREA OF A RECTANGLE The area of a rectangle is the length times width or how many blocks are able the fit in it
41. 41. AREA OF A SQUARE How long the width is X the length or how many blocks total can fit in there
42. 42. AREA OF A PARELLELAGRAM The base times height
43. 43. AREA OF A TRAPAZOID The area of this is the space inside the shape
44. 44. PERIMETER OF A RECTANGLE To find the perimeter of a rectangle you add all of the sides together
45. 45. PERIMETER OF A SQUARE To find the perimeter of a square you add all of the sides together
46. 46. CIRCLES
47. 47. CHORD A line segment with its endpoints on a circle
48. 48. DIAMETER A line segment that passes through the center of a circle and has its endpoints on the circle
49. 49. RADIUS A line segment with one endpoint at the center of a circle and the other endpoint on the circle
50. 50. SECTOR A religion enclosed by two radii and the arc joining their endpoints
51. 51. CIRCUMFERENCE The distance around a circle
52. 52. AREA OF A CIRCLE The space inside of a circle
53. 53. OTHER POLYGONS
54. 54. HEXAGON A polygon with six sides
55. 55. OCTOGON A polygon with eight sides
56. 56. REGULAR POLYGONS A polygon with congruent sides and angles
57. 57. THE END