Answer:
30 units squared
Step-by-step explanation:
1/2(base)(height)
base=10
height=6
1/2(10)(6) = 5*6 = 30!
It would round to 5 because 4.999 is closer to 5 than a decimal (idk if that's 100%)
48 inches = 4 feet, therefore 4:2, but simplified it is B. 2:1