Answer :

carlosego
By similarity of triangles we have the following
 (x / 19.3) = (3.9 / 7.2)
 Then, clearing the value of x we have
 x = (3.9 / 7.2) * (19.3) = 10.5
 Answer
 the value of x to the nearest tenth is
 B. x = 10.5

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