Which choices name a chord of circle F?
Choose all answers that are correct.
A. AF
B. BD
C. CD
D. DF
http://static.k12.com/calms_media/media/1569500_1570000/1569850/1/eb804f813e01072ecb627a2cb7db228d0f7ff5e8/MS_IMB-1401203-1110102.jpg
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OpenStudy (rayman5766):
I think it D
OpenStudy (owlcoffee):
A "chord" of a circumference is the segment that unifies two points that belong to the circle's perimeter.
OpenStudy (rayman5766):
so its all of them
OpenStudy (owlcoffee):
Incorrect.
A Chord looks like this:
|dw:1426525194148:dw|
OpenStudy (rayman5766):
oh so c and a
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OpenStudy (owlcoffee):
"c" is correct, but "a" is not. You see AF is not a "chord" because it joins the center with a point of the circle, that's called a "radius"
OpenStudy (rayman5766):
oh I get it now so its c and d
OpenStudy (owlcoffee):
Nope, DF is a "radius" as well.
OpenStudy (rayman5766):
well how is it b because it goes in a strait line
OpenStudy (owlcoffee):
BD is a chord, but it's a special kind of chord, known as "diameter" because it contains the center of the circle, but it represents a chord.
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