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GeoGebra
Elementary Geometry
Elementary Geometry
Author:
Irina Boyadzhiev
Topic:
Geometry
This book contains applet used for teaching geometry topics in classes for Elementary Teachers.
Cavalieri's Principle
Not Vertical Angles
Vertical Angles
Definition of a Circle
The sum of the acute angles in a right triangle
The Sum of the Interior Angles of Any Triangle
The sum of the angles in Any Triangle
The Sum of the Exterior Angles of Any Triangle
Area of Triangles
Congruent Triangles
Parallelograms
Properties of Parallelograms
Line Symmetries and the Quadrilaterals
Perimeter of a Rectangle
Exterior Angles of Polygons
Regular Pentagon and the Golden Ratio
Angles in a Regular Polygon
Art with Regular Polygons. Coloring.
Errors in Measurement
The midsegments divide any triangle in congruent triangles
Triangles with Equal Area
Pythagorean Theorem
Circumference of a Circle and Pi
Circumference of a Circle
Explore the Area of a Circle
Intersection of Circles and Spheres
Volume of the Cuboid
The Volume of the Sphere
Prism
Intersection of secants in a circle
Maximum Area if Fixed Perimeter
Glide Reflection - Walking
Rotational Symmetry
Shearing Problem 6
Shearing 7
Cylinder
Sections of Cylinders
Net of a Cylinder
Net of a Cone
Conic Sections
Exploring Sections of Cubes
Related Topics
Angles
Congruence
Conic Sections
Constructions
Coordinates
Discover Resources
CCGPS CA 3.8.2 Example 3
concoide2
JST17 19. Section 1 Displacement-time graphs
การบวกจำนวนเต็ม
Geometry: First Day!
Discover Topics
Reflection
Kite
Square
Cosine
Trigonometric Functions
