A, B, and C are three points such that A B = 9 cm AB = 9 \text{ cm} A B = 9 cm , B C = 11 cm BC = 11 \text{ cm} BC = 11 cm , and A C = 20 cm AC = 20 \...
Question
A, B, and C are three points such that , , and . The number of circles passing through points A, B, and C is: