Answer:
see in the graph, we have:
A(-4; 5)
B(5; 2)
So the length of AB is
[tex]ab = \sqrt{(5 - ( - 4)) {}^{2} + (2 - 5) {}^{2} } \\ \\ = \sqrt{9 {}^{2} + 3 {}^{2} } \\ \\ = 3 \sqrt{10} = 9.49[/tex]
answer: AB = 9.49 units
