Question

calcule o valor de x e y em cada figura

Answer 1

Teorema de Thales
a) x/5 = 12/8
x= 60/8
x= 7,5 m
y/12 = 13/7,5
y= 156/7,5
y= 20,6m
b) x/2,25= 12/3
x= 27/3
x= 9m
y/9=6/12
y=54/12
y=4,5m