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February 1st, 2014, 06:44 PM   #1
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Coordinates in Isosceles Triangle

Hi,

If I have an isosceles triangle ABC, where | AB | = | BC |,
and I have given the coordinates of point B and point A
and I have also given the length of the one side: | AB |,

1) how can I calculate the coordinates of point C?
2) In case if I know the length of all the sides, how can I calculate the coordinates of point C?
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February 1st, 2014, 09:16 PM   #2
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(1)  Insufficient information
(2)  There are normally two possibilities for the location of C.
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February 1st, 2014, 09:46 PM   #3
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Re: Coordinates in Isosceles Triangle

Hi, Thank you for your reply
Could you please explain how is C going to be in two positions?
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February 2nd, 2014, 05:52 AM   #4
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The second triangle is simply the reflection of the first in the line through the given vertices.
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