Math, asked by trishasawant23, 4 months ago

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°

Answers

Answered by deepakshikabra997

1

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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