Tolong dijawab dan disertai cara pengerjaanya ya
Jawaban:
a) < DFG dan < EGF adalah dua sudut bersebrangan
< DFG = < EGF = y
y + 130° = 180°
y = 180° – 130°
y = 50°
< AEF = < DFE
5x = 3x + 8 + y
5x – 3x = 8 + 50
2x = 58°
x = 58°/2
x = 29°
b) < AEF = 5x = 5 ( 29° ) = 145°
< FEG = 180° – < AEF
= 180° – 145°
= 35°
maka < CFE = < FEG