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What is CPCT and where is it used in ch 7 TRIANGLES

Posted by Sukhjeet Singh 5 years, 3 months ago

CBSE > Class 09 > Mathematics

2 answers

Bikas Maji 5 years, 3 months ago

We write in short 'CPCT' for corresponding parts of congruent triangles.It is used in questions where you have already proven something but you need to prove it again . Ex-if you already proved congruency and you need to prove that 2 sides are congruent. You can easily use CPCT.

2Thank You

Sangam Bishnoi 5 years, 3 months ago

CPCT means Congruent Parts Of Congruent Triangle . It is used when you proved two triangle in case one . If you need re prove something ( like lines are equal and parallel , angle prove and so on ) in that two triangle then you write IT IS ALREADY PROVE BY CPCT

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