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Natalija [7]
3 years ago
12

AC is tangent to circle O at point C. What is the length of OC

Mathematics
1 answer:
Sedaia [141]3 years ago
6 0

Let OC is x, so OC=OB=x

{4}^{2}  + x^{2}  =  {(2 + x)}^{2}  \\ 16 +  {x}^{2}  = 4 + 4x +  {x}^{2}  \\ 12 = 4x \\ x = 3

Answer: OC=3 points

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Average:

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