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Mathematics
Mathematics
Problem
In parallelogram
A
B
C
D
ABCD
A
B
C
D
, the sides are given by:
A
B
=
x
+
5
AB = x + 5
A
B
=
x
+
5
cm,
C
D
=
3
x
−
1
CD = 3x - 1
C
D
=
3
x
−
1
cm,
B
C
=
4
y
−
x
BC = 4y - x
B
C
=
4
y
−
x
cm and
A
D
=
2
y
+
5
AD = 2y + 5
A
D
=
2
y
+
5
cm. Calculate the length of side
B
C
BC
B
C
. a)
16
cm
16\,\text{cm}
16
cm
b)
8
cm
8\,\text{cm}
8
cm
c)
13
cm
13\,\text{cm}
13
cm
d)
12
cm
12\,\text{cm}
12
cm
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