Question

please answer for this Question I will give Twenty points​

Answer 1

Step-by-step explanation:

here, x+2y=180 ( linear pair)

(I) when x=40

40+2y=180

2y=140

y=70

(II) when y=60

x+120=180

x=60

hope this helps you please mark me the BRAINLIEST

Answer 2

Answer:

1)cd=180degrees

so,x=40degrees

2y=180-40

2y=140

y=140÷2

y=70

2) cd=180degrees

y=60 degrees

2y=60×2

2y=120

then x=180-120

x=60 degrees