Read the following passage and answer the questions that follows:
In a class room, four students Sita, Gita, Rita and Anita are sitting at `A(3, 4), B(6, 7), C(9, 4), D(6, 1)` respectively. Then a new student Anjali joins the class

(i) Teacher tells Anjali to sit in the middle of the four students. Find the coordinates of the position where she can sit.
(ii) Calculate the distance between Sita and Anita.
(iii) Which two students are equidistant from Gita.

Explanation

(i) (6, 4)
(ii) `sqrt((6-3)^(2) + (1-4)^(2))= 3sqrt2` units
(iii) Sita aned Rita