eamonnmattiello eamonnmattiello
  • 22-04-2020
  • Mathematics
contestada

x =


A.1

B.3

C.7

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x A1B3C7Picture Provided Below class=

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wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 22-04-2020

Answer:

B 3

Step-by-step explanation:

We can use the secant-secant formula:

(whole secant) x (external part) = (whole secant) x (external part)

9 * 4 = 12 *x

36 = 12x

Divide each side by 12

36/12 =12x/12

3 =x

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