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when constructing an angle bisector why must the arcs intersect

  1. When constructing a perpendicular bisector, why must the compass opening be greater 1/2 than the length of the segment? 0 0 704
    asked by stacey
    Aug 29, 2014
    http://www.sonoma.edu/users/w/wilsonst/courses/math_150/c-s/Perp-Bisect.html 0 0
    πŸ‘©β€πŸ«
    Ms. Sue
    Aug 29, 2014
    i don’t get it 0 0
    posted by stacey
    Aug 29, 2014
    can you explain it to me 0 0
    posted by stacey
    Aug 29, 2014
    I 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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πŸ‘©β€πŸ«
Ms. Sue
Aug 29, 2014

i don’t get why the compass has to be open more than 1/2 the length segment

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posted by stacey
Aug 29, 2014
Get a compass and try it.

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

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πŸ‘©β€πŸ«
Ms. Sue
Aug 29, 2014
so 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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posted by stacey
Aug 29, 2014
That’s a good start. Continue —

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πŸ‘©β€πŸ«
Ms. Sue
Aug 29, 2014
i don’t know how to finish it

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posted by stacey
Aug 29, 2014

Where do the arcs have to cross?

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πŸ‘©β€πŸ«
Ms. Sue
Aug 29, 2014
in the middle

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posted by stacey
Aug 29, 2014
Right.

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πŸ‘©β€πŸ«
Ms. Sue
Aug 29, 2014
so 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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posted by stacey
Aug 29, 2014
Yay! You’re right!

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πŸ‘©β€πŸ«
Ms. Sue
Aug 29, 2014

thank you

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posted by stacey
Aug 29, 2014
You’re welcome.

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πŸ‘©β€πŸ«
Ms. Sue
Aug 29, 2014
For once Ms. Sue is helpful! gasp

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posted by lol
Aug 30, 2018
The response was probably from before she ever started getting floods of kids. Or like James Bond, the title just gets passed down person-to-person, so the Ms. Sue we have now is just a jerk.

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posted by lol no kidding
Sep 5, 2018

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