Sketch six points A, B, C, D, E, and F, no three of which are collinear. Name the lines defined by these points. How many lines are there?
2007-09-11 14:13:37 · 8 answers · asked by Sethy P 1 in Science & Mathematics ➔ Mathematics
A -B
.....|
.....C-D
........ |
.........E-F
Lines are : AB, BC, CD, DE and EF
There will be 5 lines
2007-09-11 14:22:08 · answer #1 · answered by Don E Knows 6 · 0⤊ 1⤋
There are 2C6 = 6*5/2=15 lines Start
AB AC AD AE AF
BC BD BE BF
CD CE CF
DE DF
EF
2007-09-11 21:22:39 · answer #2 · answered by santmann2002 7 · 0⤊ 0⤋
AB, BC, CD, DE, EF, FA, AC, AD, AE, BD, BE, BF, CE, CF, DF
There are 15 lines determined
2007-09-11 21:23:28 · answer #3 · answered by ironduke8159 7 · 0⤊ 0⤋
Hint: draw a Star of David
2007-09-11 21:16:48 · answer #4 · answered by Anonymous · 0⤊ 1⤋
no I need some one teach me
2007-09-11 21:17:54 · answer #5 · answered by Anonymous · 0⤊ 0⤋
Three. Now, what's in this for me?
2007-09-11 21:16:20 · answer #6 · answered by Mr. Wizard 7 · 0⤊ 2⤋
im taking geometry this year too. so... it depends. is it coplanar?
2007-09-11 21:22:37 · answer #7 · answered by Sami S 4 · 0⤊ 0⤋
Sorry my Geometry teacher in high school was dyslexic. Thanks DCPS!
2007-09-11 21:16:18 · answer #8 · answered by skinfan23 2 · 1⤊ 1⤋