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Answer:
AC= 9cm & DF = 9cm
Step-by-step explanation:
In ∆ ABC &∆DEF,
angle B = angle E ______(given)
angle C = angle F ________(given)
.: ∆ABC =∆ DEF ______(by A-A test )
AC = DF_____( c.s.c.t )
(3x-3) = (x+5)
3x-x = 5+3
2x = 8
x= 8/2
.: x = 4
AC = (3x-3) = (3×4-3)=(12-3) = 9
.: AC = 9cm
DF = (x+5) = (4+5) = 9
.: DF = 9cm
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