Question

Calculate the length of tangent from a point 15 cm away from the

centre of a circle of radius 9 cm.

SEC​

Answer 1

15

×

9 = 135

may be ans 135

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Answer 2

Answer:

simple sub

the length of the tangent from the point P(x1,y1) to the circle x2+y2+2gx+2fy+c=0.

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Length of the Tangent to a Circle

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