When two cars from different roads arrive at an uncontrolled intersection (not a T-intersection), the car on the left must give way to the car on the right. It does not matter which direction any of the vehicles turn. Here, car “B” is to the right of car “A”, so car “A” must give way. [ Gives the way at an intersection (except for a T-shaped intersection or a circular intersection), Intersections, Part C - Knowing the rules of the road, ACT Road Rules Guide ]