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GeoGebra
GeoGebra Classroom
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Supplementary!
Question 1
Question 2
Question 3
Question 4
Question 5
Question 6
Question 7
Question 8
Question 9
Question 10
Question 11
Question 12
Supplementary!
Author:
Jennifer Gottschalk
Topic:
Angles
,
Geometry
,
Straight Lines
,
Triangles
Includes 12 problems where students need to find unknown angles on a straight line and inside a triangle. This is a 'no calculators' exercise. Answers can be checked by showing the protractor that is provided.
Question 1
Question 2
Question 3
Question 4
Question 5
Question 6
Question 7
Question 8
Question 9
Question 10
Question 11
Question 12
Next
Question 1
New Resources
Perimeter of a Rectangle with Unknown Sides
General Polar Equation of Conics with Rotation (2)
General Polar Equation of Conics with Rotation (1)
Assistants (custom GPTs or Gemini Gems) for Math
Open Education 2026
Discover Resources
Zentrische Streckung
Dabney
Test
Incenter-Excenter
Discover Topics
Linear Programming or Linear Optimization
Statistics
Parametric Curves
Boxplot
Centroid or Barycenter