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Mathematics
Mathematics
Problem
In
△
X
Y
Z
\triangle XYZ
△
X
Y
Z
,
∠
X
=
55
∘
\angle X = 55^{\circ}
∠
X
=
5
5
∘
and
∠
Y
=
65
∘
\angle Y = 65^{\circ}
∠
Y
=
6
5
∘
. Find
∠
Z
\angle Z
∠
Z
. a)
70
∘
70^{\circ}
7
0
∘
b)
65
∘
65^{\circ}
6
5
∘
c)
60
∘
60^{\circ}
6
0
∘
d)
120
∘
120^{\circ}
12
0
∘
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