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Mathematics
Mathematics
Problem
2
x
−
y
+
4
=
0
2x - y + 4 = 0
2
x
−
y
+
4
=
0
is a diameter of the circle which circumscribed a rectangle
A
B
C
D
ABCD
A
B
C
D
. If the coordinates of
A
A
A
and
B
B
B
are
A
(
4
,
6
)
A(4, 6)
A
(
4
,
6
)
and
B
(
1
,
9
)
B(1, 9)
B
(
1
,
9
)
, find the area of rectangle
A
B
C
D
ABCD
A
B
C
D
.
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