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1727.1. Inner unilateral and cross angles, alternate interiour angles, parallel straight lines, properties, and parallel signs.

Check the correct answer!

Is the statement true?
Two straight lines are necessary, to form inner rungs angle.
Grade:
7
Subject
Geometry
Theme
Parallelism in plane.
Subtheme
Inner unilateral and cross angles, alternate interiour angles, parallel straight lines, properties, and parallel signs.

Solve tasks to find hidden Geo point coordinates

  1. Algebra: Similar elements of polynomials.
  2. Algebra: Identity.
  3. Algebra: Numerical equalities.
  4. Algebra: Identical expressions.
  5. Algebra: Fraction (division) basic properties
  6. Algebra: Monomial
  7. Algebra: Fraction (division) basic properties
  8. Algebra: Numerical normal form
  9. Algebra: Linear inequalities ax + b > 0, where a, b ∈ Q
  10. Algebra: Concept of equation.
  11. Algebra: Subscript concept: base, index, degree
  12. Algebra: Point coordinates
  13. Geometry: Three point mutual arrangement.
  14. Algebra: Independent variable (argument) and dependent fixed (function)
  15. Algebra: Numerical normal form
  16. Geometry: Circle line, center, radius, diameter, chord, curve.
  17. Geometry: Opposite, adjacent angles, perpendiculars against a straight line.
  18. Geometry: Point belongs (or not) to the straight line (beam, line segment), half-plane, crossed straight lines, beam, opposite beams, line segment, properties.
  19. Geometry: Inner unilateral and cross angles, alternate interiour angles, parallel straight lines, properties, and parallel signs.
  20. Geometry: Narrow, wide, straight, extended, opened, full angle. Equal angles, bisector.
  21. Algebra: Mutually opposite monomials.
  22. Algebra: Equivalent inequalities
  23. Algebra: Abscissa axis
  24. Algebra: Concept of equation.
  25. Geometry: Isosceles triangle, sidewall, basis, equilateral triangle, line segment mid-perpendicule, connection between angles and edges in triangle.
  26. Geometry: Circle line, center, radius, diameter, chord, curve.
  27. Algebra: Diagram y = kx + b (drawing)
  28. Algebra: Numerical inequalities and their properties.
  29. Algebra: Polynomial opposite polynomial.
  30. Algebra: Numerical expression.
  31. Algebra: Polynomial.
  32. Algebra: Diagram y = kx + b (drawing)
  33. Algebra: Mutually opposite monomials.
  34. Geometry: Equal figures, line segments, lengths, midpoints, distance between two points.
  35. Algebra: Ordinate axis
  36. Algebra: Contracted multiplication formula: addition and subtraction square; square difference.
  37. Algebra: Percent and proportions
  38. Algebra: Notation –x < 3 vai x ∈ (– ∞; 3)
  39. Algebra: Diagram y = kx + b (drawing)
  40. Algebra: Connection concept
  41. Geometry: Narrow, wide, straight, extended, opened, full angle. Equal angles, bisector.
  42. Algebra: Notation –x < 3 vai x ∈ (– ∞; 3)