Keliling persegi panjang = 2(p+l)
64 = 2 ( 6 + l + l )
32 = 6 + 2l
32 - 6 = 2l
2l = 26
l = 13
p = 6 + l = 6 + 13 = 19
Luas persegi panjang
panjang x lebar
19 m x 13 m
247 m²
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Keliling persegi panjang = 2(p+l)
64 = 2 ( 6 + l + l )
32 = 6 + 2l
32 - 6 = 2l
2l = 26
l = 13
p = 6 + l = 6 + 13 = 19
Luas persegi panjang
panjang x lebar
19 m x 13 m
247 m²