Tolong bantu dong kak.....
Jawab:
a. besar ∠DGE = 55°
b. besar ∠DEF = 105°
Penjelasan dengan langkah-langkah:
a. ∠DGE = 180°- (90°+35°)
= 180° - 125°
= 55°
∠GFD = 180°-(90°+50°)=40°
∠GFD = ∠DFE
b. Jadi, ∠DEF = 180° - (35°+40°)
= 180° - 75°
= 105°
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