Question

Show that a(1,7) b(4,2) c(-1,-1) and d(-4,4) are the vertices of a square

Answer 1

Answer:

property of square is every side is equal .

then make a figure of square and name it ABCD

use the distance formula.

ie. AB=BC=CD=DA.

all the solution to every side will be same and equal .

hence proved that ......

All the best, I have given you the hint just crack it .....