Question

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Answer 1

Answer:

z = 180-130

y= 180-110

x+y+z = 180

Answer 2

Given :-

x + y = 130° {Sum of two co-interior angles are equal to one exterior angle}. ---------{1}

y + z = 110° {Sum of two co-interior angles are equal to one exterior angle}. -------{2}

Now,

x + y + z = 180° {Angle property of a ∆}.

Putting the value of equation.

130° + z = 180°

z = 50°

Now,

y + z = 110°

y + 50° = 110°

y = 60°

Again,

x + y = 130°

x + 60° = 130°

x = 70°

Hence,

x = 70°

y = 60°

z = 50°