Question

find the value of unknown xy

Answer 1

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Answer 2

In (iii)
In triangle
50 +60+y = 180 _____by pgt
100+y= 180
y=80
In ( vi )
Angle,E,L and T both r vertically opposite angle from interior and exterior therefore-
x+x+x = 180
3x = 180
x = 60