Geometryguide
- 1. . Lines Angles Triangles Quadrilaterals Circles Geometry Guide
- 2. . Points Line segments Ray Lines Intersecting Lines Perpendicular Lines Parallel Lines Skew Lines Lines
- 3. . A line segment is a line that starts at a point and finishes at a point Line Segments
- 4. . A ray is a line that starts at a point and goes on forever Rays
- 5. . A line is something that never ends both ways Lines
- 6. . Skew lines are lines not in the same plane Skew
- 7. . Two lines that never cross and are in the same plane Parallel Lines
- 8. . Perpendicular lines are lines that intersect at a right angle (90 degrees) Perpendicular Lines
- 9. . Intersecting Lines are lines that cross at one point Intersecting Lines
- 10. . A point is a precise location in space. It is labeled with a letter. P I N K Points
- 11. . Acute Obtuse Right Straight Vertex/Vertices Complementary Supplementary Vertical/Opposite Adjacent Angles
- 12. . An acute angle is less than 90 degrees Acute
- 13. . An obtuse angle is more than 90 degrees Obtuse
- 14. . A Right Angle is exactly 90 degrees Right
- 15. . A Straight angle is a straight line that is 180 degrees Straight
- 16. . A vertex is a corner of an angle Vertex/Vertices
- 17. . Complementary is when two angles are added and equals 90 degrees Complementary
- 18. . Supplementary is when two angle are added and it equals 180 degrees Supplementary
- 19. . Vertical/Opposite is an angle on the opposite side of another Vertical/Opposite
- 20. . Adjacent is when an angle and another angle are next to each other Adjacent
- 21. . Right Obtuse Acute Scalene Isosceles Equilateral Sum of Internal Angles Perimeter Area Triangles
- 22. . A right angle on a triangle is Right
- 23. . An obtuse angle in a triangle is also more than 90 degrees Obtuse
- 24. . An acute angle in a triangle is also less than 90 degrees Acute
- 25. . Scalene means all the sides are different Scalene
- 26. . Isosceles is when two of the sides on a triange are the same Isosceles
- 27. . An equilateral is when all the angles on a triangle are equal Equilateral
- 28. . The sum of internal angles is the sum of all the angles is 180 degrees Sum of Internal Angles
- 29. . The perimeter is the sum of all sides Perimeter
- 30. . Area is the base and hieght of the triangle multiplied together Area
- 31. . Qualrilateral Trapezoid Parallelogram Rectangle Rhombus Square Area of a rectangle Area of a Square Area of a Parallelogram Area of a Trapezoid Quadrilateral
- 32. . A quadrilateral is a polygon with four sides and four angles Quadrilateral
- 33. . A trapezoid is 1 pairs of parallel lines and two congruent sides Trapezoid
- 34. . The area of a trapezoid is how much cubes you can fit inside by doing base times height Area of a Trapezoid
- 35. . A parallelogram is 2 pairs of parallel lines and 2 congruent sides Parallelogram
- 36. . The area of a parallelogram is how much cubes you can fit inside by base times height Area of a Parallelogram
- 37. . A Rectangle is two sets of parallel and congruent lines Rectangle
- 38. . The Area of a Rectangle is how much cubes fit inside by doing the length times width Area of a Rectangle
- 39. . A Rhombus is just like a rectangle with two sets of parallel and congruent lines Rhombus
- 40. . Now a square is different all the sides are congruent and parallel Square
- 41. . The area of a square is really easy and the same as a rectangle all you have to do is one number squared Area of a Square
- 42. . Chord Diameter Radius Sector Circumference Area of a Circle Circles
- 43. . A chord is from one point connected to another in the circle Chord
- 44. . The diameter of a circle is how long it is from one side to another Diameter
- 45. . An arc on a circle is the distance from one point to the other on the outside edge Arc
- 46. . The radius of a circle is how far it is to the middle of the circle Radius
- 47. . A Sector is a piece of the circle Sector
- 48. . The circumference of a circle is the distance around the circle and you get it by diameter times pie Circumference
- 49. . The area of a circle is the space inside by doing radius squared times pie Area of a Circle
- 50. . Hexagon Octogon Pentagon Regular Polygon Other Polygons
- 51. . A hexagon is a polygon that has 6 sides Hexagon
- 52. . A Octogon is also a polygon but it has 8 sides Octogon
- 53. . A pentagon is just like the rest but with 5 sides Pentagon
- 54. . A regular polygon is different from other polygons because regular polygons have different sizes and sides Regular Polygons