Question

In the fig, AOB and COD are straight lines. Then find the value of x and y
​

Answer 1

Answer:

7x-20+3x=180. [since AOB is a straight line]

10x-20=180

10x=200

x=20

3x+y=180. [since COD is a straight line]

3*20+y=180

60+y=180

y=120

hope it helps you. please mark me as brainliest

Answer 2

Answer:

7x+3x-20=180 [ Linear pair]

10x= 180+20

10×=200

x= 200/10

x= 20

put 20 at value ot x

So,we get 120 at the place of 7x-20 and 60 at place of 3x

so, angle AOD= ANGLE COD[ vertically opposite angles]

follow me plz

and mark me as brainllist