What type of joint would be mostly likely used in construction to join two pieces of metal at a right angle?

The corner joint is specifically designed to connect two pieces of metal that meet at a right angle, making it particularly suitable for creating corners in frames, structures, or panels. This joint effectively allows for the two pieces to be positioned at 90 degrees to each other, which is essential in applications such as building corners, furniture construction, and various machinery components.

This type of joint can be reinforced with additional techniques, such as welding or bolting, to enhance strength and stability. When constructing frames or other structural components, achieving a perfect right angle is crucial for the overall integrity and alignment of the assembly, which the corner joint successfully facilitates.

Other types of joints like butt, lap, and tee serve different purposes and configurations that do not specifically cater to the right-angle requirement as effectively as a corner joint does.