Jawab: SJ=Sudut jarum pendek (jam)
SM=Sudut jarum panjang (menit)
SK=Sudut terkecil
A. Pukul 04.30
SJ=(4×30)+(30:2)=120+15=135°
SM=30×6=180°
SK=180-135=45°
B. Pukul 07.20
SJ=(7×30)+(20:2)=210+10=220°
SM=20×6=120°
SK=220-120=100°
C. Pukul 05.12
SJ=(5×30)+(12:2)=150+6=156°
SM=12×6=72°
SK=156-72=84°
D. Pukul 09.01
SJ=(9×30)+(1:2)=270+0,5=270,5°
SM=1×6=6°
SK=360°+6°-270,5°=95,5°
E. Pukul 10.40
SJ=(10×30)+(40:2)=300+20=320°
SM=40×6=240°
SK=320-240=80°
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Jawab: SJ=Sudut jarum pendek (jam)
SM=Sudut jarum panjang (menit)
SK=Sudut terkecil
A. Pukul 04.30
SJ=(4×30)+(30:2)=120+15=135°
SM=30×6=180°
SK=180-135=45°
B. Pukul 07.20
SJ=(7×30)+(20:2)=210+10=220°
SM=20×6=120°
SK=220-120=100°
C. Pukul 05.12
SJ=(5×30)+(12:2)=150+6=156°
SM=12×6=72°
SK=156-72=84°
D. Pukul 09.01
SJ=(9×30)+(1:2)=270+0,5=270,5°
SM=1×6=6°
SK=360°+6°-270,5°=95,5°
E. Pukul 10.40
SJ=(10×30)+(40:2)=300+20=320°
SM=40×6=240°
SK=320-240=80°