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Getting To PC With A Circle (Posted on 2007-11-10) Difficulty: 2 of 5
Y is the center of a circle having radius r. Point X is located outside the circle and tangents XP and XC are drawn to touch the circle respectively at P and C.

Given that XY = d, determine the length of PC in terms of r and d.

  Submitted by K Sengupta    
Rating: 3.0000 (2 votes)
Solution: (Hide)
PC = 2*PQ = 2r*√(dē-rē)/d

EXPLANATION:

Refer to the respective solutions posted by:

(i) Praneeth in this location.

(ii) Brian Smith in this location.

(iii) Bractals in this location.

(iv) Gamer in this location.

Comments: ( You must be logged in to post comments.)
  Subject Author Date
re: SolutionK Sengupta2008-03-08 11:49:10
re: SolutionK Sengupta2008-03-08 11:48:35
re: SolutionK Sengupta2008-03-08 11:48:04
re(2): SolutionK Sengupta2008-03-08 11:46:35
SolutionSolutionPraneeth2007-11-12 02:53:31
Solutionre: SolutionGamer2007-11-11 02:35:15
SolutionBrian Smith2007-11-11 01:21:17
Solutionsolution (different approach)Daniel2007-11-11 00:21:19
SolutionSolutionBractals2007-11-10 20:40:18
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