In a triangle ABC, AD is perpendicular on BC. If ∠BAC = 90°, AB = c, BC = a, CA = b and AD = p, then which one of the following is correct?

In a triangle ABC, AD is perpendicular on BC. If ∠BAC = 90°, AB = c

1.	In a triangle ABC, AD is perpendicular on BC. If ∠BAC = 90°, AB = c, BC = a, CA = b and AD = p, then which one of the following is correct?
A.	p = abc
B.	p2 = bc
C.	p = bc/a
D.	p = ab/c
Answer» D. p = ab/c

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In a triangle ABC, AD is perpendicular on BC. If ∠BAC = 90°, AB = c, BC = a, CA = b and AD = p, then which one of the following is correct?

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