Question

please answer fast with complete solving the question​

Answer 1

Answer:

Let a be 4x and b be 5x

then, a + b = 180° (linear pair)

4x + 5x = 180°

9x = 180°

x = 20°

a = 4x = 80°

b = 5x = 100°

a = c = 80° (vertically opposite angles)

b = d = 100° (vertically opposite angles)

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