Question

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Answer 1

Step-by-step explanation:

answer in the attachments

Answer 2

Answer:

x=80

y=100

z= 50

Step-by-step explanation:

R+A+X=180°

50+50+?=180

100+X=180

x=180-100

80. so x=80°

r and z are corresponding angles

so

r=z. means measure of z is 50

reamaining y

a+c+d=180

30+c+50=180

30+50+c=180

80+c=180

c=180-80

100

so z=100