Question

this parallelogram is a scaled copy. it was scaled by a factor of 2. suppose you want to scale it back to its original size. what scale factor should you use? to scale back to the original, use a scale factor of

Explanation:

Step1: Understand scale - factor concept

The original scale - factor is 2. To reverse the scaling, we use the reciprocal of the original scale - factor.

Step2: Calculate the reverse scale - factor

The reciprocal of 2 is $\frac{1}{2}$.

Answer:

$\frac{1}{2}$