Page 211 - NUMINO_WB_6B
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124_G6U25_WB_˙—» ¿º 2011.6.23 3:32 PM ˘ ` 13
124-B7-1
1. Find the measure of the unknown angle. a
a. b. 40
80
a
c. d.
70
a 80
a 40
2. Find the measure of the unknown angle. AB CD
a. b.
A 110 B A B
70
Ca D C
aD
124-B7-1
1. Find the measure of the unknown angle. a
a. b. 40
80
a
c. d.
70
a 80
a 40
2. Find the measure of the unknown angle. AB CD
a. b.
A 110 B A B
70
Ca D C
aD
