jika besar
Matematika
Qaremelia
Pertanyaan
jika besar <AEB + <ADB + <ACB=60°,maka besar <AOB=
a.30°
b.20°
c.40°
d.45°
please pake cara yaaa..
a.30°
b.20°
c.40°
d.45°
please pake cara yaaa..
1 Jawaban
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1. Jawaban riahendartip3wxyv
<AEB = < ADB = < ACB (sudut keliling yg menghadap busur yang sama)
jadi 3 x <AEB = 60°
<AEB = 60/3 = 20°
<AOB (sudut pusat) = 2x < AEB = 2x20°=40°