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Mathematics 22 Online
OpenStudy (anonymous):

Oh no :/ I have 2 more :/ If a chord is perpendicular to a segment drawn from the center of the circle, what do you know about the point where the segment and the chord intersect? @jigglypuff314 @jdoe0001

OpenStudy (anonymous):

I never understand those links :/

OpenStudy (jdoe0001):

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OpenStudy (anonymous):

But it's asking what do we know about the point that is being intersected....

jigglypuff314 (jigglypuff314):

In a circle, a radius perpendicular to a chord bisects the chord. In a circle, a radius that bisects a chord is perpendicular to the chord. In a circle, the perpendicular bisector of a chord passes through the center of the circle. (from the link jdoe gave)

OpenStudy (jdoe0001):

the point by definition will be the MIDPOINT of the chord, thus bisecting it

OpenStudy (anonymous):

Got it! :) Thanks jiggly :) Last one ;o What do you know about chords that are equidistant from the center of the circle?

jigglypuff314 (jigglypuff314):

equal in length?

OpenStudy (jdoe0001):

http://www.sparknotes.com/math/geometry2/theorems/section5.rhtml <--- notice the 3rd figure down

jigglypuff314 (jigglypuff314):

yeah "In the figure above, chords WX and YZ are congruent." so equal in length.

OpenStudy (anonymous):

Got it! Thanks for the help! :)

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