Angle Sum Quadrilaterals SACHS
x =
80ο
x
ο
85ο
90ο
x =
91ο
93ο
ο
98ο
x
x =
ο
72ο
30ο
221ο
x
x =
x
110ο
ο
120ο
60ο
x =
80ο
y
ο
y =
ο
x
65ο
71ο
2x =
80ο
ο
112ο
x =
ο
2x
60ο
3x =
93ο
ο
112ο
x =
ο
3x
53ο
(x + 25) =
x =
ο
ο
96ο
78ο
x + 25
62ο
(x + 10) =
x =
ο
ο
82ο
42ο
101ο
x + 10
2x =
x =
ο
ο
x
120ο
50ο
x
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