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GeoGebra
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GeoGebra
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Author:
Elizabeth McCollum
GeoGebra
<DEF is a straight angle. Find m<DEC and m<CEF.
Set Up: 11x-12+2x+10=180. Solve.
New Resources
Constructing the Perpendicular Line Through a Point Not on the Line
Example of using color palette
Calendar Puzzle
רישום חופשי
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
Discover Resources
Shadows and Right Triangles
Task 3 Identifying trigonometric ratios.
Micro-teaching Problems
Transversal
Trapezium Rule
Discover Topics
Integral Calculus
Upper and Lower Sum or Riemann Sum
Centroid or Barycenter
Similar Triangles
Secant Line or Secant