# Basic Proportionality Theorem Proof

If a given line passes through the two sides of the given triangle and parallel to the third side, then it cuts the sides proportionally. This is called the Basic Proportionality theorem..

## Basic Proportionality Theorem Proof

If a given line passes through the two sides of the given triangle and parallel to the third side, then it cuts the sides proportionally. This is called the Basic Proportionality theorem..

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The basic proportionality theorem can be used for many purposes like measuring the height of the pole.