On her coffee table, Anita has a pile of 9 magazines. She plans to get through 2 of them over
1 answer:
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Answer:
Step-by-step explanation:
Area = pi*r^2
Area = pi*9^2
Area =
Answer:
see below
Step-by-step explanation:
In the attachment, the points are listed in the order given in the problem statement. (They are listed to the right of the "rotation matrix", with x-coordinates above y-coordinates.)
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I really don't like to do repetitive calculations, so I try to use a graphing calculator or spreadsheet whenever possible. Angles are measured CCW.
As always, the rotation transformations are ...
180° — (x, y) ⇒ (-x, -y)
270° — (x, y) ⇒ (y, -x)
