Question

Find (i) x ,y ,z and w (ii) x + y + z + w

Answer 1

Answer:

(i) 80° + y = 180°(linear pair)

y = 180°- 80° = 100°

x + 120° = 180°(linear pair)

x = 180° - 120° = 60°

z + 60° =180°(linear pair)

z = 180°- 60° = 120°

w = 60° (Exterior angle property of triangle)

(ii) 100° + 60° + 120° + 60° = 340°

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