Q.
The area of the circle centred at (1, 2) and passing through (4, 6), is
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a
5π
b
10π
c
25π
d
none of these
answer is C.
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Detailed Solution
The radius of the circle centred at (1, 2) and passing through (4, 6) is given by r=(4−1)2+(6−2)2=5 ∴ Area =πr2=π(5)2=25π sq. units
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