Jawaban:
p = 2 × l = 2 × 9 = 18cm
___________________
keliling:
Dik • panjang sama dengan 2 kali lebar
• lebar 9 cm
Dit. • Keliling bangun ...
P = 2 × l
P = 2 × 9
P = 18 cm
Keliling persegi panjang
K = 2 × ( p + l )
K = 2 × ( 18 + 9 )
K = 2 × 27
K = 54 cm
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Jawaban:
p = 2 × l = 2 × 9 = 18cm
___________________
keliling:
Dik • panjang sama dengan 2 kali lebar
• lebar 9 cm
Dit. • Keliling bangun ...
jawaban and cara :
P = 2 × l
P = 2 × 9
P = 18 cm
Keliling persegi panjang
K = 2 × ( p + l )
K = 2 × ( 18 + 9 )
K = 2 × 27
K = 54 cm