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Mathematics
Mathematics
Problem
If the vertices of a quadrilateral be
A
=
1
+
2
i
A = 1 + 2i
A
=
1
+
2
i
,
B
=
−
3
+
i
B = -3 + i
B
=
−
3
+
i
,
C
=
−
2
−
3
i
C = -2 - 3i
C
=
−
2
−
3
i
and
D
=
2
−
2
i
D = 2 - 2i
D
=
2
−
2
i
, then the quadrilateral is (1) Parallelogram (2) Rectangle (3) Square (4) Rhombus
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