Question

plz solve step by step​

Answer 1

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The answer is attached above.

Answer 2

Answer:

Step-by-step explanation:

sum of all angles in a quadrilateral=360

consider x

x+120=180

x=180-120=60

80+y= 180

y=180-80=100

60+z=180

z=180-60=120

120+80+60+a=360

a=360-(120+80+60)=100

w=180-100=80

x+y+z+w= 60+100+120+100= 380