Question

the scale factor is the number you multiply each length in the original figure by to get the corresponding length in the scaled copy. the scale factor is 2. what is the missing length in the scaled copy? units

Explanation:

Step1: Recall scale - factor formula

The formula to find the length in the scaled - copy is $l_{scaled}=k\times l_{original}$, where $k$ is the scale factor and $l_{original}$ and $l_{scaled}$ are the lengths of the original and scaled figures respectively.

Step2: Identify given values

We know that the scale factor $k = 2$ and the corresponding length in the original triangle is $5$.

Step3: Calculate the missing length

Using the formula $l_{scaled}=k\times l_{original}$, substitute $k = 2$ and $l_{original}=5$. So, $l_{scaled}=2\times5 = 10$.

Answer:

10