Question

If a=(10,4) an b=(2,19) what is the length of ab

Answer 1

Using the distance formula,
$|AB|= \sqrt{(2 - 10) {}^{2} + (19 - 4) {}^{2} }$


$|AB|= \sqrt{( - 8) {}^{2} + (15) {}^{2} }$
$|AB|= \sqrt{64+ 225 }$

$|AB|= \sqrt{289 }$
$|AB|= 17 \: units$

Answer 2

Answer:

17

Step-by-step explanation: