chapter 7
Asked by kirtichawla94
| 18th Jan, 2010,
09:32: PM
Coordinate of centre = O(2,-3)
B is a point on the circle having coordinate B(1,4)
Let A(a,b) be the other extreme point on the circle opposite to B for O, the mid point of diametre AB.
Then, x coordinate of O = (x coordinate of A + x coordinate of B)/2
⇒ 2 = (a + 1)/4
⇒ a= 7
Similarly y coordinate of O = (y coordinate of A + y coordinate of B)/2
⇒ -3 = (b+ 4)/2
⇒ b = - 10.
Hence the required coordinate are A (7, -10)
Answered by
| 19th Jan, 2010,
08:57: AM
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