Question

. In fig, if ABIIDE, Angle ABC=115°and angle BCD=55° then find
value of x
plz give the answer fast

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Answer 1

Answer:

X = 120°

Step-by-step explanation:

construction : cunstruct line X and Y to the point C

angle DCY + x = 180° (co- interior angles)

angle BCX + 115° = 180° (co - interior angles)

BCX = 65°

65°+ 55°+ DCY = 180° ( linear pair)

DCY + 120° = 180°

DCY = 60°

60° (Angle DCY) + X = 180° ( co- interior angles)

X= 180° - 60°= 120°

hence, X = 120°

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