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October 20, 2014

October 20, 2014

Posted by **stacey** on Friday, August 29, 2014 at 1:01pm.

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**Ms. Sue**, Friday, August 29, 2014 at 1:06pmhttp://www.sonoma.edu/users/w/wilsonst/courses/math_150/c-s/Perp-Bisect.html

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**stacey**, Friday, August 29, 2014 at 1:13pmi dont get it

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**stacey**, Friday, August 29, 2014 at 1:21pmcan you explain it to me

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**Ms. Sue**, Friday, August 29, 2014 at 1:25pmI can't explain it any better than that web site. What is it that you don't understand?

Or try this site.

http://www.mathsisfun.com/geometry/construct-linebisect.html

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**stacey**, Friday, August 29, 2014 at 1:32pmi dont get why the compass has to be open more than 1/2 the length segment

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**Ms. Sue**, Friday, August 29, 2014 at 1:35pmGet a compass and try it.

How else are you going to get arcs above and below the line?

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**stacey**, Friday, August 29, 2014 at 1:41pmso i would answers it like....

the reason that the compass opening has to be greater than 1/2 of the segment is so it can make arcs.

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**Ms. Sue**, Friday, August 29, 2014 at 1:53pmThat's a good start. Continue --

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**stacey**, Friday, August 29, 2014 at 1:56pmi dont know how to finish it

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**Ms. Sue**, Friday, August 29, 2014 at 2:00pmWhere do the arcs have to cross?

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**stacey**, Friday, August 29, 2014 at 2:01pmin the middle

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**Ms. Sue**, Friday, August 29, 2014 at 2:02pmRight.

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**stacey**, Friday, August 29, 2014 at 2:06pmso now it would be

the reason that the compass opening has to be greater than 1/2 of the segment is so it can make arcs. and the arcs would have to cross in the middle so that when go to draw the line it would be straight.

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**Ms. Sue**, Friday, August 29, 2014 at 2:16pmYay! You're right!

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**stacey**, Friday, August 29, 2014 at 2:17pmthank you

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**Ms. Sue**, Friday, August 29, 2014 at 2:18pmYou're welcome.

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