Page 254 - NUMINO_WB_6B
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125_G6U27_WB˜ ˙—» ¿º 2011.6.23 3:44 PM ˘ ` 8
125-B4-2
2. Find the measure of the unknown angle.
Example
80
a
70
120
a. b.
100 70
50 80
a
c. a 110
80 d.
a 83
85 120
70
a
93
125-B4-2
2. Find the measure of the unknown angle.
Example
80
a
70
120
a. b.
100 70
50 80
a
c. a 110
80 d.
a 83
85 120
70
a
93
