Hello, NKS!

A bridge is built in the shape of a semielliptical arch.

It has a span of 106 feet.

The height of the arch 25 feet from the center is 5 feet.

Find the height of the arch at its center.Code:| * o * * | o * | : * * |b : * | :5 * | : * -*- - - - - - + - - - o - -o - - -53 | 25 53

We have: .

Since is on the ellipse: .

. .

The height is about 5.67 feet.