Question 27
Apatuldok system of writing uses different characters formed by four dots connected by 3 lines. The lines may intersect. Two of these characters are shown below. How many more characters can be formed to complete the system?

Editorial note: Clarify whether every dot must be connected and explain how that changes the count.
Original choices: A. 24; B. 20; C. 18; D. 16.

Editorial note: Clarify whether every dot must be connected and explain how that changes the count.
Original choices: A. 24; B. 20; C. 18; D. 16.