Question

find the value a, b, c and d in the given figure where 1 || m​

Answer 1

Step-by-step explanation:

a = 120 (vertically opposite angles)

a=b =120. ( alternative angles)

c+b = c+120 =180. (linear pair)

c=180-120. c=60

b=d =120. (vertically opposite angles)

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Answer 2

Answer:

Lets take angle x 120°

Angle a is vertically opposite to angle x

there fore angle a = 120°

Angle a and Angle c are interior angles

there fore Angle c = 180° - 120° = 60 °

Angel a and Angel d are congruent angles

there fore Angel d = 120 °

Angel b and Angel c are in linear pair

there fore Angel c = 180 ° - 60 ° = 120 °