Jawab:
<BDC= 66⁰
Penjelasan dengan langkah-langkah:
Sudut berpelurus :
3x+(2x-10)=180
5x-10=180
5x =180+10
X = 190/5
X = 38
<BDC=2x-10=2(38)-10=76-10=66⁰
Jawaban:
Besar sudut : 3x , 2x - 10°
Berpelurus (180°), sehingga:
3x + 2x - 10° = 180°
5x = 180° + 10°
5x = 190°
x = 190°/5
x = 38°
= 2x - 10°
= 2(38)° - 10°
= 76° - 10°
= 66°
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Jawab:
<BDC= 66⁰
Penjelasan dengan langkah-langkah:
Sudut berpelurus :
3x+(2x-10)=180
5x-10=180
5x =180+10
X = 190/5
X = 38
<BDC=2x-10=2(38)-10=76-10=66⁰
Jawaban:
B. 66°
Penjelasan dengan langkah-langkah:
Diketahui :
Besar sudut : 3x , 2x - 10°
Ditanya : Sudut BDC ?
Dijawab :
Berpelurus (180°), sehingga:
3x + 2x - 10° = 180°
5x = 180° + 10°
5x = 190°
x = 190°/5
x = 38°
Besar sudut BDC
= 2x - 10°
= 2(38)° - 10°
= 76° - 10°
= 66°
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