Question

if these two shapes are similar, what is the measure of the missing length x?
x = \square millimeters

Explanation:

Step1: Set up similarity proportion

$\frac{x}{4} = \frac{14}{8}$

Step2: Solve for x via cross-multiplication

$x = 4 \times \frac{14}{8}$

Step3: Simplify the expression

$x = \frac{56}{8} = 7$

Answer:

7 millimeters