Question

please answer it _______________​

Answer 1

Answer:

9

Step-by-step explanation:

if M is the mid point of AB then AM = MB

if AM = 4.5 so, MB = 4.5

AB = AM+MB = 4.5+4.5=9.0

Since, only zero after point does not have any value therefore the answer is 9

Answer 2

____________

used the formula /(x1+x2)²-(y1+y2)²

its actually the square root if you understand