Question

Determine the longest side in ΔDEF.

Answer 1

EF

Answer 2

\[From \sin rule \frac{ DE }{ \sin43 }=\frac{ DF }{ \sin 73 }=\frac{ EF }{ \sin 64 }\]
Therefore DF<EF<DE so The answer is DE

Answer 3

oh, i was just relying on my insticts