in a plane there are totally 8 points ( no three points r collinear) how many lines can be drawn
1.28
2.24
3. 64
4.56
Answers
Answered by
3
Answer:
1. 28
Step-by-step explanation:
p 1=7 lines
p 2=6 lines
p 3 =5 lines
p 4=4 lines
p 5=3 lines
p 6=2 lines
p 7=1 line
p 8=0 lines
=7+6+5+4+3+2+1+0=28
Answered by
0
Answer:
28
Step-by-step explanation:
8 points from which 2 will make a line
so choosing 2 points from 8 is :
8c2 = (8*7)/2 = 28
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