Answer:
The weld that is shaped like a right triangle and is commonly used to make lap joints corner joints, and T-joints is;
Fillet weld
Explanation:
Fillet welds are defined as welds that have a cross section that is approximately triangular in shape that is used for joining two surfaces that form a perpendicular of near perpendicular alignment to each other in joint configurations including a lap joint, T-joint, and corner joint, such that the cross section of the weld is approximately the same as a right triangle.
