Question

please give me answer

Answer 1

we have ,
AC=BD
subtracting BC from both side
AC-BC=BD-BC
then,
AB=CD
Hence proved
hope it will really help u

Answer 2

=>AB+BC=AC -1
=>BC+CD=BD-2
AC=BD (GIVEN)
=>AB+BC=AC
=>BC+CD=AC
=>AC+BC=BC+CD
BC CANCEL BC
=> AC=CD
HENCE PROVED..........


HOPE IT HELPS YOU.......