Answer:
AB= 8.1
AB=7.8
Step-by-step explanation:
[tex]ab = \sqrt{ {(8 - 1)}^{2} + {(6 - 2)}^{2} } [/tex]
[tex] = \sqrt{ {7}^{2} + {4}^{2} } = \sqrt{49 + 16} [/tex]
[tex] = \sqrt{65} = 8.1[/tex]
[tex]ab = \sqrt{ {(6 - 1)}^{2} + {(2 - 8)}^{2} } [/tex]
[tex]= \sqrt{ {5}^{2} + { ( - 6)}^{2} } = \sqrt{25 + 36} [/tex]
[tex] = \sqrt{61} = 7.8[/tex]
