What is the mean for these set of numbers 8,14,6,12,12 and 20

Mean: Average of numbers in a data set.

Step 1. Add the numbers up. In this case, we would add

8 + 14 + 6 + 12 + 12 + 20 = 72

Step 2. Divide the sum by the number of digits you added. We would divide

72 "sum of numbers" by 6 "number of digits" and our answer would be 12.

The mean for this set of numbers is 12.

The perimeter is 90

P = 90