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in Analytical Geometry by (47.4k points)
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The length of the tangent from (4, 5) to the circle x2 + y2 = 16 is: 

(a) 4 

(b) 5 

(c) 16 

(d) 25

1 Answer

+1 vote
by (47.8k points)
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Best answer

(b) 5

Length of the tangent from (x1, y1) to the circle x2 + y2 = 16 is 

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