Question

calcule a distância entre os pontos
•A (1,9) e B (2,8)
•C (-3,5) e D (-3,12)
•P (-5,4) e Q (-2,7)
•M (0,12) e N (9,0)​

Answer 1

AB=√(1-2)²+(9-8)² = √(1)+(1) = √2

CD=√(-3+3)²+(5-12)²=√(0)+(49)=√49=7

PQ=√(-5+2)²+(4-7)²=√(9)+(9)=√2.9=3√2

MN=√(0-9)²+(12-0)²=√81+144=√225=15