Question

triangle abc is dilated to create triangle abc using point o as the center of dilation. what is the scale factor of the dilation? 1/3 3 4 1/4

Explanation:

Step1: Recall scale - factor formula

The scale factor $k=\frac{OA'}{OA}$.

Step2: Substitute values

Given $OA = 3$ and $OA'=9$, so $k=\frac{9}{3}=3$.

Answer:

3