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CBSE Class 9 Answered

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.
Asked by pankaj2472 | 05 Sep, 2015, 02:02: PM
answered-by-expert Expert Answer

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.

Answered by | 07 Sep, 2015, 06:50: PM

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