Chapter 9, Lesson 12
9-12.A name angles using three letters
In this diagram, V is the center of the circle.
a. Name at least 4 different angles that have V as vertex.
b. Name at least 4 different angles with vertex on the circle.
9-12.B recognize supplementary angles
In this diagram, O is the center of the circle.
Name at least 2 pairs of supplementary angles.
9-12.C recognize attributes of a rectangle
Which statements are true about the diagonals of a rectangle?
I The diagonals are congruent.
II The diagonals bisect each other.
III The diagonals are perpendicular.
(a) I, II, and III (b) I and II only (c) I and III only (d) I only