Jawaban:
jawabannya D.48
Penjelasan dengan langkah-langkah:
sudut sudut dalam sepihak jumlahnya 180°
<c +<b = 180
63 +5x+2 = 180
65 +5x = 180
x = (180-65)/5
x= 115 /5
x=23°
<a +<d = 180
3x+5y-14 = 180
3(23) +5y-14 =180
69 +5y-14 = 180
55 +5y = 180
y= (180-55)/5
y = 125 /5
y = 25
nilai x+y
=23 +25
=48
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Jawaban:
jawabannya D.48
Penjelasan dengan langkah-langkah:
sudut sudut dalam sepihak jumlahnya 180°
<c +<b = 180
63 +5x+2 = 180
65 +5x = 180
x = (180-65)/5
x= 115 /5
x=23°
<a +<d = 180
3x+5y-14 = 180
3(23) +5y-14 =180
69 +5y-14 = 180
55 +5y = 180
y= (180-55)/5
y = 125 /5
y = 25
nilai x+y
=23 +25
=48