13. find the circumference of a circle with an
area of 6761 square millimeters.

291.4 millimeters

Step-by-step explanation:

The area for a circle is πr∧2

To solve for r you must do 6761 divided by π and then take the square root of that number. This gives you 46.39 which is the radius

The formula for the circumference of a circle is 2πr, so all you have to do is multiple 46.39 times 2π to get your answer.

points are handed out whenever you post answers.

brainliest answers are handed out by the person asking the question, so whether your answer is picked depends entirely on whether the asker bothers to pick

if you're asking about your rank, it depends on having a certain number of points and a certain number of brainliest answers. for example, at the time of this writing, i have 44338 points out of 15000 needed for the next (nearly triple the requirement! ) but i only have 24 out of 50 required brainliest answers. this number decays, meaning after a certain amount of time (i think about a month), the total number of brainliest answers you've earned doesn't count toward this total. (i've been stuck at the same rank for a long

the lesson to learn here is that you shouldn't worry about points or rank. chances are, no matter how good an answer you may provide, your efforts will go mostly unnoticed unless you focus on the newest/most active questions that get posted.