ABC is a triangle and AD is perpendicular to BC. It is given that the – McqOptions

MCQOPTIONS

1.	ABC is a triangle and AD is perpendicular to BC. It is given that the lengths of AB, BC, CA are all rational numbers. Which one of the following is correct?
A.	AD and BD must be rational
B.	Neither AD nor BD need be rational
C.	AD must be rational but BD need not be rational
D.	BD must be rational but AD need not be rational
Answer» E.

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