KAPEC GEOTASK?
  • The learning process is entertaining and exciting
  • The solved tasks turn into coordinates
  • The chance to follow your progress
  • Along with your schoolmates and friends, go on an adventure, searching for hideouts
Contact info
  • E-mail:

778.3. Opposite, adjacent angles, perpendiculars against a straight line.

Is this statement true?

If cross angles are straight, then they are formed, when perpendicular lines are crossed.
Grade:
7
Subject
Geometry
Theme
Opposite and Adjacent angles.
Subtheme
Opposite, adjacent angles, perpendiculars against a straight line.

Solve tasks to find hidden Geo point coordinates

  1. Algebra: Numerical module
  2. Geometry: Angle, angle edges and peak, value, degree, measurement.
  3. Algebra: Polynomial.
  4. Algebra: Identical expression transformation.
  5. Algebra: Connection concept
  6. Geometry: Equal figures, line segments, lengths, midpoints, distance between two points.
  7. Algebra: Identity.
  8. Geometry: Internal one-way angles, internal intersecting angles, step angles, parallel lines, parallel line properties, signs of line parallelism
  9. Algebra: Ordinary and decimal fractions
  10. Algebra: Connection concept
  11. Algebra: Diagram y = kx + b (drawing)
  12. Algebra: Function
  13. Algebra: Coordinate axis and point coordinate
  14. Algebra: Monomial coefficient
  15. Algebra: Polynomial.
  16. Geometry: Inner unilateral and cross angles, alternate interiour angles, parallel straight lines, properties, and parallel signs.
  17. Algebra: Identical expression transformation.
  18. Algebra: Numerical equalities.
  19. Algebra: Independent variable (argument) and dependent fixed (function)
  20. Algebra: Point coordinates
  21. Geometry: Opposite, adjacent angles, perpendiculars against a straight line.
  22. Algebra: Subscript concept: base, index, degree
  23. Algebra: Ordinate axis
  24. Algebra: Equation roots.
  25. Algebra: Numerical connections
  26. Algebra: Contracted multiplication formula: addition and subtraction square; square difference.
  27. Algebra: Notation –x < 3 vai x ∈ (– ∞; 3)
  28. Algebra: Linear function y = kx + b
  29. Algebra: Conditioned inequality properties
  30. Geometry: Triangle angle sum, straight angle cathetus, hypotenuse, Right-angled triangle similarity signs.
  31. Geometry: Broken line and elements, elementary broken line, closed broken line, broken lines length, polygon, angles, edges peaks, diagonal, polygon perimeter.
  32. Algebra: Equivalent equations.
  33. Algebra: Notation –x < 3 vai x ∈ (– ∞; 3)
  34. Algebra: Coordinate axis and point coordinate
  35. Algebra: Monomial coefficient
  36. Algebra: Polynomial normal form.
  37. Algebra: Equation roots.
  38. Algebra: Mathematics expression. Algebraic expression.
  39. Algebra: Identical expressions.
  40. Algebra: Mathematics expression. Algebraic expression.
  41. Algebra: Similar monomials
  42. Algebra: Ordinary and decimal fractions