Question

Determine a distância entre os pontos A(4,1) e B(9,-3)

Answer 1

Dab=√(x2-x1)²+(y2-y1)²

Dab=√(9-4)²+(-3-1)²

Dab=√(5)²+(-4)²

Dab=√25+16

Dab=√41

√41

Answer 2

Hey!

d²=(Xa-Xb)²+(Ya-Yb)²

d²=(4-9)²+(1-(-3))²

d²=(-5)²+(1+3)²

d²=(-5)²+4²

d²=25+16

d²=41

d=√41