Geometry Slide Show
- 1. Austins Guide to Geometry Lines Angles Triangles Quadrilateral Circles Other Polygons
- 2. Point A point is a dot in and angle.
- 3. Plane A plane is a sector in a space
- 4. Line A line a a straight line that never ends.
- 5. Line Segment A line segment is when any line and 2 points can be measured
- 6. Ray 1 point and a line that goes on forever.
- 7. Intersecting 2 lines that intersect
- 8. Perpendicular They intersect at a ninety degree angle
- 9. Parallel 2 lines that never meet each other.
- 10. Skew Lines that aren't in the same pane.
- 11. Acute An angle that is smaller than 90 degrees
- 12. Obtuse An angle thats more than 90 degrees.
- 13. Right An angle that is 90 degrees exact.
- 14. Straight 80 degrees
- 15. Vertex A dot in any angle
- 16. Vertices The point were 2 angles meet.
- 17. Complementary Lines across from each other like a vertical
- 18. Supplementary An angle that does not meet.
- 19. Vertical pointing up in a line that forms an angle of 90° with a flat surface
- 20. Opposite Vertical A B
- 21. Adjacent 2 angles that share a line
- 22. Right One angle that is 90 degrees
- 23. Obtuse One of that angles is more than 90 degrees
- 24. Acute One angle has to be 90 degrees
- 25. Scalene A triangle with no equal sides
- 26. Isosceles A triangle with 2 equal sides
- 27. Equilateral A triangle that has equal sides
- 28. Sum of internal angles The sum of all angles adding up to 180 degrees
- 29. Perimeter The perimeter is the addition of all the outside sides together
- 30. Area of a triangle The area is the length x width, squared
- 31. Quadrilateral A shape with 4 connected sides
- 32. Trapezoid A quadrilateral with 2 parallel sides
- 33. Parallelogram A shape with all opposite sides being parallel
- 34. Rectangle A quadrilateral with four 90 degree angles
- 35. Rhombus A square with no right angles
- 36. Square A figure with 4 right angles
- 37. Area of a rectangle You have to multiply length x width
- 38. Area of a square Same thing length x width
- 39. Area of a parallelogram Do base x height
- 40. Area of a trapezoid The average of two lengths x height
- 41. Perimeter of a rectangle You have to add up the angles
- 42. Perimeter of a square To get perimeter you add up all the angles
- 43. Chord Segment connecting 2 points
- 44. Diameter A line segment that passes through the center of a circle
- 45. Radius A line segment with one end point
- 46. Sector A region enclosed by to radii and the arc joining their endpoints
- 47. Circumference The distance around the circle
- 48. Area of a circle The space inside
- 49. Hexagon A shape with 6 sides
- 50. Octagon A shape that has 8 sides
- 51. Regular polygon All sides are congruent
- 52. Perimeter of a square To get perimeter you add up all the angles