Jawab:(a.) (b.) dengan p = panjang, l = lebar
Penjelasan:Diketahui:Persegi panjangLuas (L) = 40 cm²
(a.) Ditanyapanjang (p) danlebar (l)dan
(b.) Keliling2(p+l) substitusi =
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Jawab:


(a.)
(b.)
dengan p = panjang, l = lebar
Penjelasan:
Diketahui:
Persegi panjang
Luas (L) = 40 cm²
(a.) Ditanya


panjang (p) dan
lebar (l)
dan
(b.) Keliling

2(p+l) substitusi =
[[ KLF ]]