Odpowiedzi

2009-12-21T05:57:51+01:00
A = 8cm
b = 3cm
P₁ = ab = 24cm²
P₂ = 6cm²

stosunek: k

a₁ = ak
b₁ = bk

P₁ = a₁b₁ = ak*bk = 8k*3k = 24k²
6 = 24k²
k₂ = ¼
k= ½

a₁ = ak = 8*½ = 4 (cm)
b₁ = bk = 3*½ = 1,5 (cm)