Question

3. Find y in the given figures.​

Answer 1

EXPLANATION:-

In figure 1st

y+150-y+y=180  {linear pair}

y=180-150

y=30

In figure 2nd

y+30+2y+40-y=90      [ It's forming 90 degree ]

2y=90-30

2y=60

y=60/2

y=30

So the value of y is 30 in both the figure