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GeoGebra
GeoGebra Classroom
Outline
Geometry
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 (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
Geometry
Author:
Giselle Kyriacou
,
Duane Habecker
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 (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
Next
Basic Geometric Objects and definitions
New Resources
Explore the invariant lines of matrix {{-2,5},{6,-9}}
Icosahedron1
Construct a Conic
Parallelograms: Quick Investigation
Poorly Drawn Parallelograms 2
Discover Resources
Rollingons
Нэгж тойрог дээрх sin , cos-ийн график
Approximation: Decimal Places VS Significant Figures
Number Line Integer Addition
The point P
Discover Topics
Line Segment
Prism
Similar Triangles
Terms
Geometric Distribution