ctdn21
ctdn21
04-06-2021
Mathematics
contestada
need help asap please
Respuesta :
senalvidun
senalvidun
08-06-2021
Answer:
AB=CD
AD=BC
AB=2X+8
CD=3X+4
2X+8. =3X+4
3X-2X.=8-4
X=4
.
AD=X+17
=4+17
=21
AD=BC
BC=21
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