Page 250 - NUMINO_WB_6B
P. 250
125_G6U27_WB˜ ˙—» ¿º 2011.6.23 3:44 PM ˘ ` 4
125-B2-2
2. Find the measure of the unknown angle.
Example
110
a 30
a. b.
120
20 a
60
50
a
c. d.
140 100 135
a
a
105
125-B2-2
2. Find the measure of the unknown angle.
Example
110
a 30
a. b.
120
20 a
60
50
a
c. d.
140 100 135
a
a
105