Question

Triangle ABC has verticals A (3,0),B (9,5)and (7,-8) find the length of AC in simplest radical form

Answer 1

$length = \sqrt{(0+8)^2 + (3-7)^2} = \sqrt{64 + 16} = \sqrt{80} = 4\sqrt{5}$


Answer: Length = 4√5 units.