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34 votes
34 votes
Rotation 90 degrees counterclockwise about the origin (on numbers 9 and 10)

Rotation 90 degrees counterclockwise about the origin (on numbers 9 and 10)-example-1
Rotation 90 degrees counterclockwise about the origin (on numbers 9 and 10)-example-1
Rotation 90 degrees counterclockwise about the origin (on numbers 9 and 10)-example-2
User Peter Fennema
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3.1k points

2 Answers

6 votes
6 votes

Answer:

160

Explanation:

User Bjw
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3.1k points
19 votes
19 votes
9 is D and 10 is B. Take the slope of the point you are trying to move, and go to the counter clockwise axis. Do the slope but in its reciprocal form. If you sketch out the answers I’ve given, it should help visualize the method.
User Rojo
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2.9k points