Panjang EF=DG
Panjang DE=GF
EF=12 cm DG=4a cm
DE=20 cm GF=(3b-4) cm
a. Nilai a=12÷4=3 cm
b. Nilai b =(20+4)÷3=24÷3=8 cm
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=> 4a=12
a=12/4
a=3
B. Nilai b
=> 3b-4=20
3b=20+4
3b=24
b=24/3
b=8
Klo salah, aku minta maaf ya... Semoga bermanfaat:)
Panjang EF=DG
Panjang DE=GF
EF=12 cm DG=4a cm
DE=20 cm GF=(3b-4) cm
a. Nilai a=12÷4=3 cm
b. Nilai b =(20+4)÷3=24÷3=8 cm