Find The Value of X Given (x,2)

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[SOLVED] Find The Value of X Given (x,2)...

Homework Statement


In the figure above, Lines AB and BC are radii of the circle with center B. What is the value of X? (see attached)

I am lost. I don't know how to begin to solve this problem.

<ABC is a right triangle. Does that factor into the equation?

It would appear that the answer has to be a negative number.
 

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Answers and Replies

  • #2
cristo
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Hint: find the radius of the circle.
 
  • #3
LLS
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Hint: find the radius of the circle.
Would the radius be 5?

The answer is -5?
 
  • #4
nrqed
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Would the radius be 5?

The answer is -5?
No. You must subtract 5 from the x coordinate of the center of the circle....What does that give?
 
  • #5
LLS
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No. You must subtract 5 from the x coordinate of the center of the circle....What does that give?
That would be 1 - 5 = -4

(-4, 2)
 
  • #6
cristo
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That would be 1 - 5 = -4

(-4, 2)
Yup!
 
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