Search
Google Classroom
GeoGebraGeoGebra Classroom

Outline

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

    Right Angled Triangles

    Author:Ronan Downes, Lee W Fisher
    Topic:Triangles
    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
      • 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
      • Equations & Identities 方程與恆等式
    Next
    Right angled triangle in a circle

    New Resources

    • seo tool
    • Truth
    • Parabola - Paper Folding_BY IIT
    • A 3D Problem about Shadow
    • רישום חופשי

    Discover Resources

    • es 2 pag 47
    • Net of a Prism
    • Perpendicular radius and chord
    • H2M L13 Q4

    Discover Topics

    • Boxplot
    • Root
    • Expected Value
    • Median Value
    • Arithmetic
    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®