Question

São dados os pontos A(1,5) B (8,2) C (6,1) : a) determine as distâncias entre AB, BC,e AC

Answer 1

DAB=v¬(xb-xa)²+(yb-ya)²
DAB=v¬(8-1)²+(2-5)²
"=v¬(7)²+(3)²= v¬49+9=v¬58

DBC=v¬(6-8)²+(1-2)²
DBC=v¬(2)²+(1)²=v¬4+1=v¬5

DAC=v¬(6-1)²+(1-5)²=
DAC=v¬(5)²+(4)²=v¬25+16= v¬41