CPM Homework Help : INT2 Problem 1-62

Copy $ΔABC$ below on graph paper, then read the Math Notes box in this lesson before completing the parts below.

Rotate $ΔABC\ 90^\circ$ counterclockwise (↺) about the origin to create $ΔA'B'C'$ . Name the coordinates of $C'$ .
Reflect $ΔABC$ across the vertical line $x=1$ to create $ΔA''B''C''$ . Name the coordinates of the vertices.
Translate $ΔABC$ so that $A'''$ is at $(4,\ -5)$ . Name the coordinates of $B'''$ .

Use the eTool below to view the rotations for parts (a), (b), and (c).
Click the link at right for the full version of the eTool: Int2 1-62 HW eTool