Search
Google ClassroomGoogle Classroom
GeoGebraGeoGebra Classroom

Outline

  1. Angles in a triangle
    1. This section will show you...
    2. We have to remember.
    3. Angles in a triangle
    4. Challenge

    Angles in a triangle

    Author:Nikos Kokkinidis
    Topic:Angles
    The angles of any triangle add up to 180 degrees
    Angles in a triangle

    Table of Contents

    • This section will show you...

      • We will learn...
    • We have to remember.

      • Angles in isosceles - equilateral - right angled.
      • Angles on a line.
    • Angles in a triangle

      • Work out the angle A
      • Angles in a isosceles triangle
      • Angles in a right angled triangle.
    • Challenge

      • Challenege
    Next
    We will learn...

    New Resources

    • Nikmati Keunggulan Di Bandar Judi Terpercaya
    • רישום חופשי
    • Slope Between 2 Points (Phase 2)
    • bewijs stelling van Pythagoras
    • Random Polar Curve (3)

    Discover Resources

    • AAlice in GeoGebra land. Playing cards
    • Investigation 2
    • Isometric
    • Bài tập 9 trang 92
    • Multiplying Fractions

    Discover Topics

    • Calculus
    • Triangles
    • Subtraction
    • Median Value
    • Functions
    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®