Question

the right triangle on the right is a scaled copy of the right triangle on the left. identify the scale factor. express your answer as a whole number or fraction in simplest form.

Explanation:

Step1: Select corresponding sides

Choose the vertical sides 3 and $\frac{4}{3}$.

Step2: Calculate scale - factor

Scale factor = $\frac{\text{side of new triangle}}{\text{side of original triangle}}=\frac{\frac{4}{3}}{4}=\frac{4}{3}\times\frac{1}{4}=\frac{1}{3}$.

Answer:

$\frac{1}{3}$