ConceptPythagoras Theorem

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#### Question

ABC is a right triangle right-angled at C. Let BC = a, CA = b, AB = c and let p be the length of perpendicular from C on AB, prove that

(i) cp = ab

`(ii) 1/p^2=1/a^2+1/b^2`

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#### Reference Material

Solution for concept: Pythagoras Theorem. For the course CBSE