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Mathematics
Mathematics
Problem
A
B
C
D
ABCD
A
B
C
D
is a rectangle with
O
O
O
as any point in its interior. If
a
r
(
Δ
A
O
D
)
=
3
cm
2
ar(\Delta AOD) = 3 \text{ cm}^2
a
r
(
Δ
A
O
D
)
=
3
cm
2
and
a
r
(
Δ
B
O
C
)
=
6
cm
2
ar(\Delta BOC) = 6 \text{ cm}^2
a
r
(
Δ
B
O
C
)
=
6
cm
2
, then area of rectangle
A
B
C
D
ABCD
A
B
C
D
is (A)
9
cm
2
9 \text{ cm}^2
9
cm
2
(B)
12
cm
2
12 \text{ cm}^2
12
cm
2
(C)
15
cm
2
15 \text{ cm}^2
15
cm
2
(D)
18
cm
2
18 \text{ cm}^2
18
cm
2
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