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Theorem 6.1 : If a line is drawn paralle...

Theorem 6.1 : If a line is drawn parallel to one side of a triangle to intersect the other two sides in distinct points, the other two sides are divided in the same ratio.

A

Basic Proportionality

B

Converse of Thales theorem

C

Pythagoras theorem

D

Similarity of triangles

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The correct Answer is:
A
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Theorem 6.2 : If a line divides any two sides of a triangle in the same ratio, then the line is parallel to the third side.

Theorem 8.10 : The line drawn through the mid-point of one side of a triangle, parallel to another side bisects the third side.