Question

Please help me. What is the scale factor?

Answer 1

Scale factor,k
$k = \frac{length \: of \: image}{length \: of \: object}$
$k = \frac{6}{3}$
$k = 2$
$\frac{1}{2} = \frac{x}{5.5}$
$\frac{11}{4} = x$