Sample Response: A ratio of 1:2 means that there are 3 parts in total. One part will be before the desired point, and 2 parts will be after the desired point. This is the same as finding the point that is 1/3 the length. Half the length of the segment would mean there would only be two pieces, each of equal size. What did you include in your response? Check all that apply. A ratio of 1:2 means 1 part to 2 parts, for 3 parts total. The ratio 1:2 means 3 equal parts. The fraction 1/2 means the segment would be divided into 2 equal parts.