A dot is placed in the upper-left part of a square. The square is rotated 90° clockwise. Where will the dot be?

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A upper left
B upper right
C lower left
D lower right

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Answer: B. upper right

90° clockwise turn: The top edge moves to the right side, the right side moves to the bottom, the bottom moves to the left, and the left side moves to the top.
New position: The upper-left corner/part shifts one quarter-turn clockwise to the upper-right position.

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A dot is placed in the upper-left part of a square. The square is rotated 90° clockwise. Where will the dot be?

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