50+105+a = 180 (berpelurus)
a = 180-50-105
a = 25
y = a (sehadap)
y = 25⁰
x + y + 94 = 180 (dalam segitiga jumlah sudut= 180⁰)
x + 25 + 94 = 180
x = 180 - 25 - 94
x = 61⁰
nilai 2x - y =
2(61) - 25 =
122 - 25 =
97⁰
jawaban :
opsi D
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50+105+a = 180 (berpelurus)
a = 180-50-105
a = 25
y = a (sehadap)
y = 25⁰
x + y + 94 = 180 (dalam segitiga jumlah sudut= 180⁰)
x + 25 + 94 = 180
x = 180 - 25 - 94
x = 61⁰
nilai 2x - y =
2(61) - 25 =
122 - 25 =
97⁰
jawaban :
opsi D