To find the midpoint you find the average x and the average y values. The average of 1 and 9 is 5, and the average of 4 and 16 is 10. The midpoint would be (5,10).
If you multiple 128 by 6 you will get your answer of 768.
Answer:
CED or AEB
Step-by-step explanation:
adjacent angles share the same vertex and one side so it will be either CED or AEB
The answer is 26 square units