Question

luis starts at one corner of a square field and walks 80 feet along one side to another corner of the field. he turns 90° and walks 60 feet, and then walks straight back to where he started. what is the area of the part of the field he walked around?

Answer 1

His path describes a right triangle.
Area of a triangle = 1/2 base x height = 1/2 x 80 x 60 = 2,400 square feet.