2. In the given figure, find the value of
(a) a + b + c + d
d
(b) W + x + y + z
b
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Answer:
o it is denoted as degree
Step-by-step explanation:
Given, AB∣∣CD,
Consider AC is transversal.
z=125o [∵ Corresponding angles ]
x=180−125 o[ ∵ sum of angles in straightline=180o)x=55 o
We know that, sum of all the interior angles in a quadrilateral is 360 o
∠A+∠B+∠C+∠D
x+x+z+y=360 o
55+55+125+y=360 o
⟹y=125 o
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