ryslife21 ryslife21
  • 25-03-2021
  • Mathematics
contestada

I don’t know this i need help what’s x?

I dont know this i need help whats x class=

Respuesta :

viruzzz
viruzzz viruzzz
  • 25-03-2021

Answer:

what is the question for the problem.................

Answer Link
jimrgrant1 jimrgrant1
  • 25-03-2021

Answer:

x = 3

Step-by-step explanation:

Given a tangent and a secant from an external point to the circle, then

The square of the tangent is equal to the product of the secant's external part and the entire secant, that is

8(8 + 2x + 4) = 12²

8(12 + 2x) = 144 ( divide both sides by 8 )

12 + 2x = 18 ( subtract 12 from both sides )

2x = 6 ( divide both sides by 2 )

x = 3

Answer Link

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