Archive
7th of September 2015
Mathematics
Q:

sir,

i want to know that how many line segments can be determined by 3 collinear points?

i am a little confused as there seem to be many answers...while i was doing the test.

Pankaj2472 Gupta - CBSE - Class IX

Saturday, September 05, 2015 at 14:02:PM

A:

C o n s i d e r space t h r e e space c o l l i n e a r space p o i n t s space A comma space B space a n d space C. W e space n e e d space t w o space p o i n t s space t o space d r a w space a space l i n e space s e g m e n t space o r space a space l i n e. T h e r e space a r e space C presuperscript 3 subscript 2 space w a y s space o f space s e l e c t i n g space t w o space p o i n t s space o u t space o f space t h r e e. S i n c e space t h e space p o i n t s space a r e space c o l l i n e a r comma space w e space c a n space d r a w space 3 space l i n e space s e g m e n t s space a n d space 1 space l i n e space o u t space o f space t h r e e space p o i n t s.

Monday, September 07, 2015 at 18:50:PM