Question

qual a distancia entre os pontos A(-1,0) e B(8,-9)

Answer 1

dab=√(xá-xb)²+(ya-yb)²
dab=√(-1-8)²+(0+9)²
dab=√(-9)²+(9)²
dab=√81+81
dab=√162

MMC
162/2
81/3
27/3
9/3
3/3
1
dab=√2.3⁴