Question

Line L II M and p II q in the figure, then find the value of a, b, c and d.

Answer 1

Answer:

a -120

b-120

c-120

d-60

Step-by-step explanation:

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Answer 2

Answer:

a = 120°

b= 120°

c= 120°

d= 60°

Step-by-step explanation:

Given: l || m

           p || q

d= 60° [ Corresponding angles ]

∠d + ∠c = 180° [ Linear Pair ]

60° + ∠c = 180°

∠c = 120°

∠c = ∠b [Alternate Interior angles]

120° = ∠b

60° + ∠1 = 180°

∠1 = 180° - 60°

∠1 = 120°

Here, ∠1 = ∠a [Alternate Interior Angles]

      120° = ∠a

Hence, a = 120°

            b = 120°

            c = 120°

            d = 60°