Search
Google ClassroomGoogle Classroom
GeoGebraGeoGebra Classroom

Outline

  1. Right Angled Triangles
    1. Theory and Estimation
    2. Practice
    3. Test Out

    Right Angled Triangles

    Author:Lee W Fisher
    Topic:Pythagoras or Pythagorean Theorem, Triangles, Trigonometry
    Practice Pythagoras and Trigonometry.
    Right Angled Triangles

    Table of Contents

    • Theory and Estimation

      • Right angled triangle in a circle
      • Estimate sides and angles on 5 right angled triangles
      • Estimate Side and Angles of Right Angled Triangles
      • Proof of Pythagoras
      • Sine, Cosine, Tangent 0 - 90°
      • Sine Cosine Tangent Order to 90
    • Practice

      • Pythagoras' Practice
      • Trig on Right Triangles Using Enlargment
      • SOH CAH TOA for angles
      • SOH CAH TOA for sides
      • Practice Right Angled Triangles
    • Test Out

      • Right Angled Triangle Quiz
      • Right Angled Triangles Accuracy Quiz
    Next
    Right angled triangle in a circle

    New Resources

    • Function art 3D - waiting shed
    • Congruent Figures
    • Pythagorean Theorem: Quick Illustrator
    • apec
    • Slope Illustrator (2)

    Discover Resources

    • Mayszak A (Final Product)
    • Simple Bar Graphs
    • เศษส่วน
    • module 3 manubar and view option
    • Параметр17-1

    Discover Topics

    • Vectors 2D (Two-Dimensional)
    • Polynomial Functions
    • Diagrams
    • Real Numbers
    • Secant Line or Secant
    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

    © 2026 GeoGebra®