What we know:
Shape is semi-ellipse
Ellipse equation in this direction: x²/b²+ y²/a²=1
height is 49 ft
width is 196 ft
What we need to find:
Equation of the ellipse that represents the tunnel with height 49 ft and width of 196 ft.
x²/a²+ y²/b²=1
x²/98²+ y²/49²=1
B. x²/98²+ y²/49²=1
