Question

Triangle ABC is a triangle where angle C is equal to 90 degree . Let BC is equal to a , CA is equal to b, AB is equal to c and let p be the length of the perpendicular on AB. with the help of area of triangle prove cp is equal to ab and with the application of Pythagoras theorem, prove 1÷p square = 1÷a square + 1÷b square.​

Answer 1

Answer:

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Step-by-step explanation:

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