Search
Google ClassroomGoogle Classroom
GeoGebraGeoGebra Classroom

Outline

  1. Dynamic proofs
    1. Area of Trapezoid - Midsegment
    2. Area of Trapezoid - Triangles
    3. Law of Sines - Acute Angle
    4. Law of Sines - Obtuse Angle
    5. Euclid’s theorem of leg
    6. Euclid’s theorem of altitude
    7. Proof of Pythagoras' theorem (Henry Perigal)
    8. Euler's formula for polyhedra

Dynamic proofs

Author:Irena Štrausová

  • Area of Trapezoid - Midsegment

  • Area of Trapezoid - Triangles

  • Law of Sines - Acute Angle

  • Law of Sines - Obtuse Angle

  • Euclid’s theorem of leg

  • Euclid’s theorem of altitude

  • Proof of Pythagoras' theorem (Henry Perigal)

  • Euler's formula for polyhedra

Next
Area of Trapezoid - Midsegment

New Resources

  • רישום חופשי
  • גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
  • အခြေခံ data အခေါ်အဝေါ်များ
  • Sine and Cosine on the Unit Circle
  • Untitled

Discover Resources

  • Rectas Paralelas
  • Step 2
  • parallelogramSAMKO
  • Circumcircle and center
  • Kare İnşası

Discover Topics

  • Logarithmic Functions
  • Fractal Geometry
  • Normal Distribution
  • Polygons
  • Incircle or Inscribed Circle
AboutPartnersHelp Center
Terms of ServicePrivacyLicense
Graphing CalculatorCalculator SuiteMath Resources

Download our apps here:

Download_on_the_App_Store_Badge_US-UK_RGB_blk_4SVG_092917

© 2025 GeoGebra®