Jawab:
Penjelasan dengan langkah-langkah:
Nomor1:
Sudut:
A. 55°
B. 180-55=125°
C. 180-108=72°
D. 180-72-55=53°
E. 53°
Nomor2:
x=y+30
A.
Komplemen=90°
90=30+y+y
90=30+2y
60=2y
30=y
B.
Suplemen=180°
180=30+y+y
180=30+2y
150=2y
75 = y
Nomor3:
A. 180-128=52°
52= K2+K3
52/2= K2
26= K2
B. 180-128=52°
C. L1=L2=52°
52×2=104
180-104=76°
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Jawab:
Penjelasan dengan langkah-langkah:
Nomor1:
Sudut:
A. 55°
B. 180-55=125°
C. 180-108=72°
D. 180-72-55=53°
E. 53°
Nomor2:
x=y+30
A.
Komplemen=90°
90=30+y+y
90=30+2y
60=2y
30=y
B.
Suplemen=180°
180=30+y+y
180=30+2y
150=2y
75 = y
Nomor3:
A. 180-128=52°
52= K2+K3
52/2= K2
26= K2
B. 180-128=52°
C. L1=L2=52°
52×2=104
180-104=76°