Basic propoartionality theorem
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Yogita Ingle 6 years ago
Basic Proportionality theorem was introduced by a famous Greek Mathematician, Thales, hence it is also called Thales Theorem. According to him, for any two equiangular triangles, the ratio of any two corresponding sides is always the same. Based on this concept, he gave theorem of basic proportionality. This concept has been introduced in similar triangles. If two triangles are similar to each other then,
Thus two triangles ΔABC and ΔPQR are similar if,
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