anonymous
  • anonymous
Line CF bisect segment ST. All lines bisect a segment at a 90 degree angle, so line CF and segment ST are perpendicular. Why or why not is this argument valid?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
Can anyone walk me through it here? I don't want a direct answer please.
jdoe0001
  • jdoe0001
so.. CF bisects ST are they perpendicular lines?
anonymous
  • anonymous
Yes

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anonymous
  • anonymous
If they weren't they would never bisect.
anonymous
  • anonymous
Or collide more like
jdoe0001
  • jdoe0001
hmmm was checking the bisect meaning, and it's just to divide in half but I'd say yes, assuming "ll lines bisect a segment at a 90 degree angle"
anonymous
  • anonymous
So would the answer be "since CF and ST collide they would have to be perpendicular"?
jdoe0001
  • jdoe0001
http://www.mathsisfun.com/geometry/bisect.html <--- notice there, is a bisecting line
jdoe0001
  • jdoe0001
if you move around the blue line, the red bisector, can bisect without being perpendicular
anonymous
  • anonymous
Meaning when they're perpendicular but right on top of eachother.... so a better answer would be since all lines bisect at 90 degrees and CF bisects ST they would have to be perpendicular correct?
anonymous
  • anonymous
when they're parallel* sorry lol
anonymous
  • anonymous
Thanks :)
jdoe0001
  • jdoe0001
hmmm well, if we assume " All lines bisect a segment at a 90 degree angle" is true then CF and ST are obviously perpendicular but you can bisect another line, that is, cut it two equal sides WITHOUT being perpendicular so " All lines bisect a segment at a 90 degree angle" is a fishy statement
jdoe0001
  • jdoe0001
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