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3 years ago

11

Lines b and care parallel.

1 answer:

Vinil7 [7]3 years ago

7 0

Answer:

<h3>Option 2 </h3>

angle 2 = 7x + 1 ( vertically opposite angles)

7x + 1 + 18x + 4 = 180° ( forming linear pair).

7x + 18x + 4 +1 = 180°

25x + 5 = 180°

25x = 180 - 5

25x = 175

x = 7°

angle 2 = 7(7)+ 1

= 50°

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