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GeoGebra
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Using a Protractor
Author:
Asiddeg
,
Delise Andrews
Slide the bar to change the angle. Use the button to show or hide the protractor.
GeoGebra
Practice measuring angles using Protractor
Change the angle and then use the protractor to measure it.
New Resources
Droste effect
Variation Theory Parallelogram Proofs
What is an Isogonal Conjugate?
Poorly Drawn Parallelograms
探究由平行線和截線所成的角
Discover Resources
UCSS Math I 2.7.3 Example 1
mapping-with-curve
Function Inequalities
AMSP PD Video: GCSE - Turning Points
What Side Lengths Make a Triangle?
Discover Topics
Angles
Incircle or Inscribed Circle
Intersection
Set Theory
Exponent