Chapter 9, Lesson 2


9-2.A understand the meaning of the measure of an angle
Which statements are true about the measures of angles A and B?

I measure of angle A : measure of angle B = 4 in. : 3 in.
II measure of angle A — measure of angle B = I in.
III measure of angle A = measure of angle BB
(a) I, II, and III (b) I only (c) II only (d) III only

9-2.B recognize perpendicular lines
Which pairs of lines appear to be perpendicular?

(a) I, II, and III (b) I and II only (c) I and III only (d) I only