You are presented with the question "How would you measure the perimeter of the outside of an object? " and the following answer choices: 
- With a scale.
 - With a ruler.
 - With a thermometer.
 - With a hydrometer.
 - by indirect light
 - Under 32 degrees
 - focusing a lens
 - electron microscope

Now knowing that aruler is used for measuring the length of an object and perimeter is the total length around the object, choose the best answer.


 

  With a ruler.       