(2) Find the distance between the points (0,0) and (36,15). Can you find the distance between the two points A and B discussed in section 7.2Solution

(3) Determine if the points (1,5) (2,3) and (-2,-11) are collinear.Solution

(4) Check whether (5,-2) (6,4) and (7,-2) are the vertices of an isosceles triangle.Solution

(5) In a classroom 4 friends are seated at the points A,B,C and D as shown in fig 7.8.Champa and Chameli walk into the class and after observing for a few minutes champa asks Chameli,"Don't you think ABCD is a square?" Chameli disagrees. Using distance formula, find which of them is correct.Solution

(6) Name the type of quadrilateral formed. If any,by the following points,and give reasons for your answer: