1.

State basic proportionality theorem and its converse.

Answer»

Basic Proportionality Theorem: 

If a line is drawn parallel to one side of a triangle to intersect the other two sides in distinct points, then the other two sides are divided in the same ratio. 

Converse of Basic Proportionality Theorem: 

If a line divides any two sides of a triangle in the same ratio, then the line must be parallel to the third side.



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