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GeoGebra
GeoGebra Classroom
Outline
Lines and Angles
Basic Geometric Objects and definitions
Types of angles
Animated acute angles
Animated view of right angles.
Animated view of obtuse angles.
Animated view of straight angles.
Animated view of reflex angles.
Protractor Practice (Not Random)
Protractor Practice (Random)
Sum of angles in polygons
Angles in a 5-pointed star
Sum of interior angles in a triangle
Sum of the angles in a triangle
Missing angle in a triangle
Definition of complementary angles
Missing complementary angle
Supplementary angles
Missing supplementary angle
Vertical angles
Triangle on a line with missing angles
Angles on a line
Broken Protractor
Lines and Angles
Author:
Tutorified.com
,
Duane Habecker
Topic:
Angles
A series of applets about lines and angles for 10 to 12 year old students.
Basic Geometric Objects and definitions
Types of angles
Animated acute angles
Animated view of right angles.
Animated view of obtuse angles.
Animated view of straight angles.
Animated view of reflex angles.
Protractor Practice (Not Random)
Protractor Practice (Random)
Sum of angles in polygons
Angles in a 5-pointed star
Sum of interior angles in a triangle
Sum of the angles in a triangle
Missing angle in a triangle
Definition of complementary angles
Missing complementary angle
Supplementary angles
Missing supplementary angle
Vertical angles
Triangle on a line with missing angles
Angles on a line
Broken Protractor
Next
Basic Geometric Objects and definitions
New Resources
Tutorial: Create lists of numbers and objects
Finding Average Rate of Change of a Function
Average Rate of Change: Graph a Function (2)
Explore the invariant lines of matrix {{-2,5},{6,-9}}
Construct a Conic
Discover Resources
Tracing values of slopes of tangent lines
TH12215 Circumcenter
Inscribed triangle
Projectile Motion Simulation
projectile 1
Discover Topics
Continuity
Vectors
Difference and Slope
Dilation
Incircle or Inscribed Circle