Which rotation about the origin?
Compare the coordinates. 180°: both signs change. 90° clockwise: (x, y) goes to (y, −x). 90° counterclockwise: (x, y) goes to (−y, x).
Loading a question…
You've done today's 10 free questions.
Come back tomorrow for 10 more, or get unlimited practice with a membership.
Want more today? Print 20 more questions free, with the answers.
Already a member? Sign in.
See worked examples
A point is rotated about the origin from (4, 3) to (3, −4). Which rotation was it? Write 90cw, 90ccw or 180.
Answer: 90cw
A point is rotated about the origin from (4, −1) to (−1, −4). Which rotation was it? Write 90cw, 90ccw or 180.
Answer: 90cw
A point is rotated about the origin from (−7, 5) to (5, 7). Which rotation was it? Write 90cw, 90ccw or 180.
Answer: 90cw
Tip: Compare the coordinates. 180°: both signs change. 90° clockwise: (x, y) goes to (y, −x). 90° counterclockwise: (x, y) goes to (−y, x).
Print a worksheet of this skill New questions and an answer key, free.
Up next
- Next in this topic Lengths after a dilation Class 8
Print a free worksheet with answers (20 questions).
Practise without limits
Members practise as much as they like, every day, and get the printable packs and lessons too.