Answer: 18
Step-by-step explanation: The formula for calculating a triangle’s area is 1/2(base•height). This means that 12•3 is 36, which multiplied by 1/2 is 18.
(Hope this helps)
8 1/2 that is the best and it says eight and one half
4/ 6 or in simplest, 2/3. I know this bc there's only 4 numbers greater than 2. there for me the fraction would be 4/6 the six for the sides and the four for the number of aides greater than two. :)))