Find the Rotation
Polygon ABCDEFG was rotated to create polygon A'B'C'D'E'F'G'. Find the center of rotation and the angle of rotation. Do not hide any construction marks. Also, please do not include any unnecessary marks.
Pythagorean Theorem by Tessellation # 36 Tiling
Kimberly Tuxpan - Exploration 2
Movie: Radians to Revs
An applet which demonstrate the connection between angles of a quadrilateral
Discovering the Pythagorean Theorem