Mathematics-Geometry-MyTest-01

By Scott Anderson | December 23, 2019

Which COMPETENCY was used to compose this question?

Consider the similar images, $\Delta ABC \sim \Delta DEF$ . If $AB = 6, BC = 10, EF = 15,$ and $DE = 9,$ what is the scale factor going from $\Delta DEF$ to $\Delta ABC$ ?

$5$
$-3$
$\frac{3}{2}$
$\frac{2}{3}$