Question

show that points (5,-1,1);(7,-4,7);(1,-6,10) and(-1,-3,4) are the vertices of a rohombus.

Answer 1

Answer:

Explanation:

take (5,-1,1)=A,(7,-4,7)=B,(1,-6,10)=C,(-1,-3,4)=D

now take distance between AB,BC,CD,DA

you will find AB=DC and BC=DA

Hence,ABCD is an rohombus.