Question

In the given adjoining figure,
find x?

Answer 1

Answer:

70+60+90+x=360

70+60+90=220

x=360-220

x=140

Answer 2

Step-by-step explanation:

Let the fourth angle (near 90°) be'r'

Therefore,

a+90=180°[Linear pair]

a=90°

Now,

90°+70°+60°+x=360°[Angle sum property of the Quadrilateral]

x=360-220

x=140°

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