If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

Main content

Determine rotations

Problem

Triangle ABC is the image of ABC under a rotation about the origin, (0,0).
Determine the angle of rotation.
Choose 1 answer:
Stuck?
Stuck?