Panjang sisi persegi panjang adalah 12 m dan 5,55 m. Tentukan:
a. keliling
b. luas persegi panjang
Pembahasan:
Diketahui:
p = 12 m (2 AP)
l = 5,55 m (3 AP)
Ditanya:
a. K = …. ?
b. L = …. ?
a. Keliling persegi panjang
Unknown node type: spanUnknown node type: spanUnknown node type: spanUnknown node type: spanUnknown node type: spanUnknown node type: spanUnknown node type: spanUnknown node type: spanUnknown node type: spanUnknown node type: spanUnknown node type: spanUnknown node type: spanUnknown node type: spanUnknown node type: spanUnknown node type: spanUnknown node type: spanUnknown node type: spanUnknown node type: spanUnknown node type: spanUnknown node type: spanUnknown node type: spanUnknown node type: spanUnknown node type: spanK=2(p+l) =2(12+5.55) =2(17.55)=35.1 m
b. Luas persegi panjang
Unknown node type: spanUnknown node type: spanUnknown node type: spanUnknown node type: spanUnknown node type: spanUnknown node type: spanUnknown node type: spanUnknown node type: spanUnknown node type: spanUnknown node type: spanUnknown node type: spanUnknown node type: spanUnknown node type: spanL=p×l=12×5.55=66.6 m2