There are 5 sides/angles in a pentagon. Formula (n-2)180 so (5-2)180 which is (3)180=540. In a regular Pentagon there is an area of 540°
The seller marks up the price by $500, for a grand total of $10,500
To divide fractions be multiply by the resiprical
4 6 24
--- x ---- = ------
1 7 7
then simplify into a mixed number
3 3/7
C. multiply because of the order of operations
