Question

me ajudem pfv

e para hoje às 14:30h​

Answer 1

Resposta:

AD=18

AB=2CD

BC=3CD

AB+BC+CD=18

2CD+3CD+CD=18

6CD=18

CD=18/6

CD=3

AB=2*3=6

AB=6

BC=3*3=9

BC=9

AX=XB=AB/2=6/2=3

BY=YC=BC/2=9/2=4,5

CZ=ZD=CD/2=3/2=1,5

XY=XB+BY=3+4,5=7,5

YZ=YC+CZ=4,5+1,5=6

XZ=XY+YZ

XZ=7,5+6=13,5

AB=6cm

BC=9cm

CD=3cm

XY=7,5cm

YZ=6cm

XZ=13,5cm