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[https://www.geogebra.org/m/GhGtuvV7 Similar triangles]
 
[https://www.geogebra.org/m/GhGtuvV7 Similar triangles]
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Two triangles are said to be similar, if their corresponding angles are equal or their corresponding sides are in proportion.
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Two triangles are said to be similar, if their corresponding angles are equal or their corresponding sides are in proportion.
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These conditions for similarity of triangles can be explored by increasing/decreasing the length of sides, flipping/rotating the triangles given in this geogebra file.
    
==== 9. Tangents and Secants to a Circle ====
 
==== 9. Tangents and Secants to a Circle ====
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