Mrfootballman97
Medal to person who answers and helps me understand:
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Mrfootballman97
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|dw:1362962745675:dw|
Mrfootballman97
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but it has all the info. Do you need me to rewrite it?
Mrfootballman97
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oh i think its 2
Mertsj
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Is the center of the circle indicated?
Mrfootballman97
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|dw:1362963306954:dw| The black dot
Mrfootballman97
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I think if:
1. Chords are = distance from center they are congruent.
and
2. Congruent chords are = distance from center.
Mertsj
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Ok. That's what I figured. We need to use the Pythagorean Theorem to find the radius of the circle. Also we need to remember that a radius that is perpendicular to the chord bisects the chord.
Mertsj
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|dw:1362963425328:dw|
Mertsj
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What you posted is true, however, the chords in your picture are not the same length are they?
Mrfootballman97
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no. In the original pic they are not either.
Mertsj
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One of them is 4 and the other one is 8, is that right?
Mrfootballman97
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yeah
Mertsj
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So did you read what I wrote about finding the radius?
Mrfootballman97
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ya
Mertsj
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Can you find the radius?
Mrfootballman97
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1 sec
Mrfootballman97
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not really
Mrfootballman97
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is it 4?
Mertsj
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|dw:1362963862073:dw|
Mrfootballman97
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oh wait
Mertsj
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I'm just not sure about the picture.
Mrfootballman97
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yeah. well i will just have to ask my teacher about this one.
Mertsj
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|dw:1362964032530:dw|
Mertsj
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Do you think that BC is 4 or AC is 4?
Mrfootballman97
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i think bc
Mertsj
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Do you think that DE is 8 or DF is 8?
Mrfootballman97
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DE
Mertsj
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Well then, you are right congruent chords are the same distance from the center and x=2
Mrfootballman97
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ok thanks
Mertsj
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yw