GEOM 3 | Lesson 3 | Practice 2 Solutions

a.  \(\dfrac{x}{x+4} =\dfrac{3}{6}\), \(x = 4\).

b.  \(\dfrac{6}{12}=\dfrac{7}{14}=\dfrac{10}{x}\), \(x=20\).

c.  \(\dfrac{10}{15} = \dfrac{12}{x}\), \(x=18\)

d. Remember that the mid-segment is \(\dfrac{1}{2}\) the length of the 3rd side.

1)  9       2)  7       3) 14       4)  23.5       5)  11       6)  2

e.  \(\dfrac{7}{15}=\dfrac{3.5}{x}\) or 7.5


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