Jawabanmu

2014-06-11T14:07:26+07:00
L persegi = 6*6
L = 36 cm²
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a. L persegi = luas persegi panjang
L = p*l
36 = p * 4
p = 36/4
p = 9 cm
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b. Keliling persegi panjang
K = 2(p+l)
K = 2(9+4)
K = 2(13)
K = 26 cm
2014-06-11T14:07:46+07:00
Panjang persegi panjang = 9 cm
keliling = 2(9+4)
           =26cm