Question

Plz give me answer plz plz plz​

Answer 1

7.a)x=180-90

x=90

y=180-(30+90)

y=180-120

y=60

y=180-60

y=120

z=180-30

z=150

x+y+z

90+120+150=360

b)x=180-120

x=60

y=180-80

y=100

z=180-60

z=120

w=360-(60+80+120)

w=360-260

w=100

w=180-100

w=80

x+y+z+w

60+100+120+80=360

here you go!!!

Answer 2

1. Linear pairs are:-

z+30°=180°

x+90°=180°

Thus, z= 150° and x= 90°

Now using angle sum property

x+a+z=180°

thus, a= 180°-120°

a= 60°

Now, a+y= 180°

Thus, y= 120°

2. In the Quadrilateral,

60°+120°+ 80°+ b = 360°

b = 100°

Now, linear pairs are:-

z+60°=180°

w+ 100° =180°

x+120°=180°

y+80°= 180°

Thus,

z= 120°

w= 80°

x= 60°

y= 100°

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