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267.1. Concept definition, concept sign.

From which sign we can say that the line segments are the same?

Check the correct answer!

Similar figures. Line segment length.
Concept definition, concept sign.

Solve tasks to find hidden Geo point coordinates

  1. Geometry: Opposite, adjacent angles, perpendiculars against a straight line.
  2. Geometry: Triangle and its elements, angle opposite and adjacent edge, opposite and adjacent angle in triangle. Triangle median, bisector, height, triangle inequality.
  3. Algebra: Polynomial.
  4. Algebra: Contracted multiplication formula: addition and subtraction square; square difference.
  5. Algebra: Coordinate plane
  6. Algebra: Concept of equation.
  7. Geometry: Concept definition, concept sign.
  8. Algebra: Functions expression with formula, table, diagram
  9. Algebra: Polynomial normal form.
  10. Geometry: Broken line and elements, elementary broken line, closed broken line, broken lines length, polygon, angles, edges peaks, diagonal, polygon perimeter.