Answer:
1
Step-by-step explanation:
4,800 and 60, <span>
Compatible numbers are numbers that are close in value to the actual numbers and easy to add, subtract, multiply, or divide mentally</span>
An irrational number is a decimal that never ends and never repeats. so no inless the last digit has a line over it
Using the sum of interior angles equation;
(n-2)180=sum
(n-2)180=2340
n-2=2340/180
n-2=13.5
n=13.5+2
n=15.5
However, the problem is that a polygon cannot have "half" as side. Therefore, there might be a problem in the question or there is no solution to such a question.
Hope I helped :)