How do u solve the formula for the area of a triangle

Thales was an ancient philosopher familiar with similar triangles. one story about him says that he found the height of a pyramid by measuring its shadow and his own shadow at the same time. if the person is 5-ft tall, what is the height of the pyramid in the drawing?

Which function has the domain x> -11

If you measured the width of a window in inches and then in feet with measurement would you have the greater number of units