Consider three points A, B and C.
a. (i) If the three points are non-collinear, list all the distinct straight lines that can be drawn by joining them pairwise.
b. (ii) Give reasons for your answer in part (i) on the basis of Euclid’s First Postulate.
c. (iii) If the three points happen to be collinear, how does your answer change? Explain briefly.