Question

Me ajudem e urgente

Answer 1

a)
AB=2 KM
BC=4 KM
AB÷BC= 2 KM÷4 KM = 0.5 KM
b)
CD = 3 KM
BD = 4 KM+3 KM=7 KM
CD ÷ BD= 3 KM ÷ 7 KM = 0.4285714286 KM
c)
AC = 2 KM +4 KM = 6 KM
CD = 3 KM 
AC ÷ CD= 6 Km ÷ 3 Km = 2 Km
d)
AD = 2 KM + 4 KM + 3 KM = 9 KM
AC = 6 KM
AD ÷ AC = 9 KM ÷ 6 KM = 1.5 KM