Answer:
x=20
Step-by-step explanation:
10x-60=140
10x=140+60
10x=200
x=20
An example of an angle measurement problem is when trying to
calculate for the height of a particular object given the distance of the
observer from the object and the angle of elevation or depression. For example, you want to find out the height
of a building. All you need to know is the distance of your point of origin to
the building and the angle of elevation.