gd e
fba
c42 ◦A
C
B
D
2.Find all the unknown angles in the figure:EFGHABCD70 ◦80 ◦11
2
33
2
1(^23)
1
1
3.Find the value ofxin the figure:
X
Z
Y
A D
B C
x 20 ◦x60 ◦240 7.1. Introduction gd e
fba
c42 ◦2.Find all the unknown angles in the figure:EFGHABCD70 ◦80 ◦11
2
33
2
1(^23)
1
1
3.Find the value ofxin the figure:
x 20 ◦x60 ◦240 7.1. Introduction