Geogebra Resources

CLASS-IX

ACTIVITIES ON TRIANGLES
Angle Sum Property of Triangle – Activity
Construction of Circumcircle of a given triangle
Construction of Centroid of a given Triangle
Construction of Incircle of a given triangle
Inequalities in Triangle – Activity 01
Inequalities in Triangle – Activity 02

ACTIVITIES ON CONGRUENT TRIANGLES
Naming Congruent Triangles 01 with Reasons

Naming Congruent Triangles 02 with Reasons
Naming Congruent Triangles 03 with Reasons
Naming Congruent Triangles 04 with Reasons
Naming Congruent Triangles 05 with Reasons
Naming Congruent Triangles 06 with Reasons
Naming Congruent Triangles 07 with Reasons

SAS Congruence of Triangles – Activity
ASA Congruence of Triangles – Activity
SSS Congruence of Triangles – Activity
RHS Congruence of Triangles – Activity
Congruence of triangles – Demonstration

ACTIVITIES ON CIRCLES
Terms related to Circle – Activity
Equal Chords & their Distances from Centre – Activity
Angle subtended by an arc at centre – Activity
Angles in the same segment are equal – Activity
Angles Property of a cyclic quadrilateral – Activity

ACTIVITIES ON MENSURATION
Surface Area of Cuboid and Cube – Activity
Surface Area of Right Circular Cylinder – Activity
Volume & Surface Area of a Cone – Activity

CLASS-X
ACTIVITIES ON SIMILAR TRIANGLES
Similar Triangles: Dynamic Illustration
AA Similarity Criteria – Activity
SAS Similarity Criteria – Activity
SSS Similarity Criteria – Activity
Pythagoras Theorem – Activity 01
Pythagoras Theorem – Activity 02

ACTIVITIES ON CIRCLES
Properties of Tangents Drawn to Circles – Activity 01
Properties of Tangents Drawn to Circles – Activity 02
Properties of Tangents – Activity cum Demonstration

ACTIVITIES ON MENSURATION
Surface Area of Cuboid and Cube – Activity
Surface Area of Right Circular Cylinder – Activity
Volume & Surface Area of a Cone – Activity