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A(−1, 1), B(2, 3), C(2, 1) 90∘ counterclockwise about vertex A

 Feb 13, 2020
 #1
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A(−1, 1), B(2, 3), C(2, 1) 90∘ counterclockwise about vertex A

laugh

 Feb 13, 2020
edited by Omi67  Feb 13, 2020
edited by Omi67  Feb 13, 2020

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