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The area of the triangle formed by the tangents from an external point (h,k) to the circle x^2+y^2=a^2 and the chord of contact is:

The area of the triangle formed by the tangents from an external point (h,k) to the circle x^2+y^2=a^2 and the chord of contact is: 
 

Grade:11

1 Answers

sahil
142 Points
6 years ago
The area formed by the tangents and chord of contact from point (h,k) to circle x^2+y^2=a^2 is equal to [a(h^2+k^2-a^2)^3/2]÷[h^2+k^2]

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