I purchased a new gaming system on opening night. Sincel amore of the first 100 customers to purchase the system, the store give
s me a 20% discount off of the regular cost. Il pay $500 for the gaming system at the discounted price, what is the regular cost of the gamning system?"
The area of a triangle formal is base times height divided by 2. So 9x 12 which equals 108 then you divide that by 2 which equals 54 and the unit is cm^2