Question

please tell me the answer of this question ​

Answer 1

60 degree. Do u need an explanation??

Look AB is parallel to DG. So by alternative interior angles,

Angle ABC = Angle DGC = 60 degree.

Now we also knowthat BC is parallel to EF.

Again by alternative interior angles.,

Angle DGC = Angle DEF = 60 degree.

Answer 2

Answer:

∠DEF=60°

Step-by-step explanation:

AB║DG

∴∠ABG=∠DGC (Corresponding angles)

∴∠DGC=60°

BC║EF

∴GC║EF

∴∠DGC=∠GEF(Corresponding angles)

∴∠GEF=60°

∴∠DEF=60°

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