Q. 3

# Show that the poi

To prove: Points A, B, C form isosceles triangle.

Formula:

The distance between two points (x1,y1,z1) and (x2,y2,z2) is given by

D=

Here,

(x1,y1,z1)= (4, 6, -3)

(x2,y2,z2)= (0, 2, 3)

(x3,y3,z3)= (-4, -4, -1)

Length AB =

=

=

=

= = 2

Length BC =

=

=

=

= = 2

Length AC =

=

=

=

=

Here, AB = BC

vertices A, B, C forms an isosceles triangle.

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