vee23321 vee23321
  • 03-05-2017
  • Mathematics
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Find x. Assume that segments that appear tangent are tangent.

Please show me how to do it ,THANKS!

Find x Assume that segments that appear tangent are tangent Please show me how to do it THANKS class=

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irspow
irspow irspow
  • 03-05-2017
Assuming that CB is tangent, this is just a right triangle with a hypotenuse of 20 and a side of 12 so by the Pythagorean Theorem:

20^2=12^2+x^2

400=144+x^2

x^2=400-144

x^2=256

x=16
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