Search
Google ClassroomGoogle Classroom
GeoGebraGeoGebra Classroom
GeoGebra
  • Home
  • Resources
  • Profile
  • Classroom
  • App Downloads

More Practice

Author:Elizabeth McCollum
<DEF is a straight angle. Find m<DEC and m<CEF.
Set Up: 11x-12+2x+10=180. Solve.

New Resources

  • גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
  • Viviani's Curve
  • Angle Addition: Warm Up Exercises
  • Conway Circle Theorem
  • Slope Between 2 Points (Phase 2)

Discover Resources

  • Hyperbolic Poncelet theorem
  • Vertical Line Test
  • Rectangle with a given perimeter and a diagonal – "solid tools"
  • Solving Multi-Step Equations
  • พื้นผิวในปริภูมิ 3 มิติ

Discover Topics

  • Probability
  • Perimeter
  • Ratios
  • Solids or 3D Shapes
  • Surface
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®