Answer:
Value of x is:
20
Step-by-step explanation:
Clearly, the two angles are vertically opposite
and vertically opposite angles are always equal
So, x+40=3x
Subtracting both sides by x, we get
x+40-x=3x-x
i.e. 40= 2x
Dividing both sides by 2, we get
x = 20
Hence, Value of x is:
20
