each figure given below shows a pair of parallel line's cut by a transvesel for each case find a and b giving reasons 140°
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Answer:
Step-by-step explanation:
a=180
0
−140
0
a=40
0
b=40
0
(alternate interior angle)
Infigure(2)
b+60
0
=180
0
(angle made by straight line)
b=120
0
x=60
0
a=x(interior angle)
a=60
0
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