Question

. Basic proportionality theorem. definition

Answer 1

Answer:

basic proportionality theorm can be defined as;

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

Answer 2

$\boxed{ \sf \: Basic \: Proportionality \: Theorem \: (BPT)}$

This theorem states that of a line is drawn parallel || to one side of a triangle ∆ to intersect the other 2 sides in distinct points, the other 2 sides are divided in the same ratio.

From the figure, with the help of this proof, we can see that :-

$\large \sf \: \frac{AD}{AE} = \frac{AE}{EC}$

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Hope it helps.

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