The width of a rectangle is 6 feet, and the diagonal is 10 feet. What is the area of the rectangle?

The diagonal and the width of the make up 2 sides of a right triangle. It makes up a 6-8-10 triangle. So, the length is 6 and the width is 8. The area is length times width. 6 times 8 equals 48 feet squared

The area of the rectangle is 48 feet