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Question
Mathematics
If ABCDEF is a regular hexagon and AB + AC + AD + AE + AF = n AD . Then n is
Q. If
A
BC
D
EF
is a regular hexagon and
A
B
+
A
C
+
A
D
+
A
E
+
A
F
=
n
A
D
. Then
n
is
2073
243
Vector Algebra
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A
1
12%
B
2
27%
C
3
34%
D
2
5
27%
Solution:
A
B
+
A
C
+
A
D
+
A
E
+
A
F
=
E
D
+
A
C
+
A
D
+
A
E
+
C
D
=
(
A
C
+
C
D
)
+
A
D
+
A
E
+
E
D
)
=
A
D
+
A
D
+
A
D
=
3
A
D
∴
n
=
3
