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Mathematics 8 Online
OpenStudy (anonymous):

When constructing a perpendicular bisector, why must the compass opening be greater than one half the length of the segment?

OpenStudy (phi):

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OpenStudy (phi):

if the distance is less than 1/2, the 2 circles don't intersect

OpenStudy (turingtest):

because if the compass length is less than half the length of the segment the two arcs of the compass will never intersect

OpenStudy (jamesj):

Try it for yourself and see.

OpenStudy (amistre64):

the compass length does not NEED to be greater than one half the length of a segment. but by having it so, it takes less time to do it.

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