diapatill
diapatill diapatill
  • 15-08-2021
  • Mathematics
contestada

please help, geometry b

please help geometry b class=

Respuesta :

badtestbot28 badtestbot28
  • 19-08-2021

Answer:

Radius=2sqrt(30)

Step-by-step explanation:

Tangents drawn from a common point are equal in length, so AB=BD, 2x-2=x+5, x=7. Next CDB is a right angled triangle, so CD^2+DB^2=CB^2, CD=7 and CB=13, CD=sqrt(120)=radius

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