12.2 is a rational number because you can write it as a fraction.
Hope this answered your question.
Notice the first two vertices are reverse from each other (a,0) to (0,a)
the fourth vertex would be the reverse of the third one.
The fourth vertex would be (2a, a)
Answer:
D. 4.5 kg
Step-by-step explanation:
# 3 is .4 because u multiply .2*.2