Respuesta :

tanyamaini
The diameter is about 49.1
You can find this using the equation: 31^2 = 15 x (15+diameter)

Hope this helped!!
limacharliesierra
(PT)^2 = PA . PB
PA = 15 + x
x = Diameter

-> 31^2 = (15 + x) . 15
-> 961 = 225 + 15 x
-> 15x = 961 - 225
-> 15x = 736
-> x = 736/15
-> x = approximadately 49

Answer: 1st Option (49.1)
Ver imagen limacharliesierra

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