In the given fig. Jis parallel to mandpis para el too. Find the measure of each of the anges
(a, b, c, d).
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Answer:
Fromthefigure,75
o
+∠1=180
o
⇒∠1=180−75=105
o
[Linearpair]
∠1=∠3=105
o
[InteriorAlternateAngles]
Solinelisparalleltolinem.
∠3=∠2=105
o
[VerticallyOppositeAngles]
Iflinemisparalleltolinenthen∠2+∠4=180
o
[interiorcorrespondingangles]
Buthere∠2+∠4=105
o
+65
o
=170
0
so∠2+∠4
=180
o
Solinemisnotparalleltolinen.
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