please help meplease help me please help meplease help me
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Answer: did want it's measurements
DF=1
Triangle EAD Is right angled
ED^2=EA^2+AD^2
=4+4
=8
ED=V8
from triangle EAF
EF^2=EA^2AF^2
=4+1
=5
EF =V5
ED =V8
DF=1
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