Answer:
3.6
Step-by-step explanation:
1.) Use the distance formula. Insert the values:
[tex](2,-4)(5,-2)\\\\\sqrt{(5-2)^2+(-2+4)^2}[/tex]
Simplify parentheses:
[tex]\sqrt{(3)^2+(2)^2}[/tex]
Simplify exponents:
[tex]\sqrt{9+4}[/tex]
Simplify:
[tex]\sqrt{13}= 3.6[/tex]
The length of AB is 3.6
