Which of the following is true for the altitudes of a triangle?

A: The three altitudes are parallel.
B: The lines that contain the three altitudes are concurrent.
C: Two of the altitudes are parallel, and these two are perpendicular to the third.
D: The three altitudes intersect in three points forming a smaller similar triangle inside the original triangle.

Question

Which of the following is true for the altitudes of a triangle?

A:     The three altitudes are parallel.     
B:     The lines that contain the three altitudes are concurrent.    
C:     Two of the altitudes are parallel, and these two are perpendicular to the third.   
D:     The three altitudes intersect in three points forming a smaller similar triangle inside the original triangle.

anonymous · Answer

have you drawn a triangle ?

anonymous · Answer

hint... Eliminate option A ...

anonymous · Answer

@nd one is true according to me by the way what is the ans?

anonymous · Answer

yeah there are obvious answers that are wrong like a but im still not sure which one is correct

anonymous · Answer

check http://en.wikipedia.org/wiki/Altitude_(triangle)