Question

distancia de los punto A (-5, 9), b (16,7),

Answer 1

A(-5 , 9); B(16 , 7);  X1= -5; Y1=9 ; X2 = 16; Y2 = 7

$d= \sqrt{(X2-X1)^{2}+(Y2-Y1)^{2} }$

$d= \sqrt{(16-(-5))^{2}+(7-9)^{2} }$

$d= \sqrt{(21)^{2}+(-2)^{2} }$

$d= \sqrt{441+4}$

$d= \sqrt{445}$

d = 21.095