The lines s and t intersect at point R.
What is the value of y?
y =
![The lines s and t intersect at point R What is the value of y y class=](https://us-static.z-dn.net/files/d67/b2b6a88de7e4a79a652163b80de3fc6a.jpg)
The angles at the opposite sides of point R are vertical opposite angles
The value of y in the figure is 29
Vertical angles are equal.
So, we have:
4y - 8 = 79 + y
Collect like terms, in the above equation
4y - y = 79 + 8
Evaluate the like terms
3y = 87
Divide both sides by 3
y = 29
Hence, the value of y in the figure is 29
Read more about vertical angles at:
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