Question

Verify (1,7),(4,2).(-1, 1) and (-4, 4) are the vertices of a square ? (R.P)
Check whether the points (3,0), (6,4) and (-1,3) are the vertices of a right-angled isosceles triangle or
not. Also find the area of the triangle.​

Answer 1

Answer:

hey .. there is the mistake in Ur book the point c(-1,1). there is same mistake in my book also plzz correct it it wanna c(-1,-1)...plzz correct it.its a square.