pls answer my questions .
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ANSWER
Now,
⇒40
0
+x
0
+30
0
=180
0
⇒70
0
+x
0
=180
0
∴x
0
=110
0
∴40
0
=z
0
(oppositeangle)
Now,
⇒40
0
+y
0
=180
0
∴y
0
=140
0
Hence,
weget
x=110
0
y=140
0
z=40
0
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