9.4 perform rotations · theorem 9.3 rotation theorem a rotation is an isometry. proof: exs. 33-35,...
TRANSCRIPT
9.4 Perform Rotations
Center of Rotation: fixed point in which the figure is turned about
Angle of Rotation: Rays drawn from the center of rotation to a point and its image
**in this chapter, all rotations are counterclockwise
Rotations about the Origin
Hwk p. 602 (3-5, 12-21)