Question

the triangle stu is a dilation of the triangle stu. what is the scale factor of the dilation? simplify your answer and write it as a proper fraction, an improper fraction, or a whole number.

Explanation:

Step1: Identify corresponding points

Original point $S(3,3)$, image point $S'(9,9)$

Step2: Calculate scale factor

Scale factor $k = \frac{\text{Image coordinate}}{\text{Original coordinate}} = \frac{9}{3}$

Answer:

$3$