The above figure depicts a cube, each edge of which has length 18. Give the length of the shortest path from Point A to Point B that lies completely along the surface of the cube.

The length and width of a rectangle are in the ratio of 3:4. If the rectangle has an area of 108 square centimeters, what is the length of the diagonal?

Find the length of the diagonal of a rectangle whose sides are 8 and 15.

What is the length of the diagonal of a rectangle that is 3 feet long and 4 feet wide?