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From Karnataka Open Educational Resources
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Three lines intersect with each other in a plane to form a closed figure. Vertices are formed at the intersecting points and edges that mark the triangle are sides.   
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An exploratory activity to understand formation of a shape with minimum number of lines. This geometric shape is also the sturdiest shape.   
 
=== Objectives ===
 
=== Objectives ===
 
*Understand formation of triangles
 
*Understand formation of triangles