ashleymnoon19owbvfv ashleymnoon19owbvfv
  • 22-01-2018
  • Mathematics
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help please
will give brainliest

help please will give brainliest class=

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tynollette tynollette
  • 22-01-2018
the tangent line is perpendicular to the radius from the center of the circle to the point of tangency. 
ΔDCE is similar to ΔDBA
DC/DB=DE/DA
15/50=DE/40
DE=12 
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