Respuesta :

Answer:

x=16

Step-by-step explanation:

red line^2 = (8 x sq rt 3)^2 - 12^2

red line ^2=191.99-44

red line^2=47.99

red line=6.93

12/6.93=6.93/(x-12)   by the geometric mean altitude theorem

12(x-12)=(6.93)(6.93)

x-12=4

x=16

Answer:

1. x= 16 is the right answer.

Ver imagen manissaha129
Ver imagen manissaha129