Jawaban dan penyelesaian:
Luas (L) = 132 cm²
Panjang (p) = 12 cm
a. Lebar (l)
L = p x l
l = L/p =132 cm²/(12 cm) = 11 cm
jadi lebarnya 11 cm
b. Keliling (K)
K = 2 x (p+l)
K = 2 x (12 cm + 11 cm)
K = 2 x (23 cm) = 46 cm
CMIIW.
Mr. Zeo
Lebar Persegi Panjang
L = p × l
132 = 12 × l
l = 132/12
l = 11 cm
Keliling
2 ( p + l )
2 ( 12 + 11 )
2 ( 23 )
46 cm
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Jawaban dan penyelesaian:
Luas (L) = 132 cm²
Panjang (p) = 12 cm
a. Lebar (l)
L = p x l
l = L/p =132 cm²/(12 cm) = 11 cm
jadi lebarnya 11 cm
b. Keliling (K)
K = 2 x (p+l)
K = 2 x (12 cm + 11 cm)
K = 2 x (23 cm) = 46 cm
CMIIW.
Mr. Zeo
Lebar Persegi Panjang
L = p × l
132 = 12 × l
l = 132/12
l = 11 cm
______________
Keliling
2 ( p + l )
2 ( 12 + 11 )
2 ( 23 )
46 cm