Question

the given figures are similar using the given scale factor. find the missing side length.
scale factor from a to b = 2 : 3
7
3
12
6

Explanation:

Set up the scale factor ratio

Using the Scale Factor and Similar Polygons knowledge points:

$$ \frac{\text{Side of } A}{\text{Side of } B} = \frac{2}{3} $$

Substitute the known values

$$ \frac{x}{9} = \frac{2}{3} $$

Solve for the missing side length

$$
LATEXBLOCK0
$$

Answer:

• 7
• 3
• 12
• 6 (Correct answer)