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Byju's Answer
Standard XII
Mathematics
Area between x=g(y) and y Axis
Write the are...
Question
Write the area of the circle passing through (−2, 6) and having its centre at (1, 2).
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Solution
The equation of the required circle is
x
-
1
2
+
y
-
2
2
=
a
2
.
The circle passes through (−2, 6).
∴
-
2
-
1
2
+
6
-
2
2
=
a
2
⇒
9
+
16
=
a
2
⇒
a
=
5
∴ Area of the required circle =
πa
2
=
π
5
2
=
25
π
square
units
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