Mathematics, 10.12.2019 08:31 cat8339
If quadrilateral abcd rotates 90° counterclockwise about the origin, what are the coordinates of a′ in quadrilateral a′b′c′d′ ?
(2, 1)
(-2, -1)
(-2, -2)
(-2, 0)
Answers: 1
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Use sigma notation to represent the following series for 9 terms.
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If quadrilateral abcd rotates 90° counterclockwise about the origin, what are the coordinates of a′...
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