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Byju's Answer
Standard VII
Mathematics
Reflection Symmetry
The reflectio...
Question
The reflection of the point
(
α
,
β
,
γ
)
in the xy-plane is
(a)
(
α
,
β
,
0
)
(b)
(
0
,
0
,
γ
)
(c)
(
-
α
,
-
β
,
γ
)
(d)
(
α
,
β
,
-
γ
)
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Solution
Reflection in xy plane, changes the z- co-ordinate by negative (i.e. an other side of z-axis)
∴ Reflection of
α
,
β
,
γ
in the xy plane is
α
,
β
,
-
γ
Hence, the correct answer is option D.
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