Question

explain step by step all questions please​

Answer 1

Step-by-step explanation:

step1:70+30+y=180

100+y=180

y=80

x+y=180

as they are adjacent

80+x=180

x=100

Answer 2

Answer:

100 degrees

Step-by-step explanation:

70 + 30 + y = 180

y = 180 - 100

y = 80

then ,

y + x = 180

80 + x = 180

x = 180 - 80

x = 100

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