Zadanie
a = 9 cm
b = 41 cm
h₁ = ?
a² + h₁² = b²
9² + h₁² = 41²
81 + h₁² = 1681 l -81
h₁² = 1600
h₁ = √1600
h₁ = 40 cm
P = a · h₁
P = 9 · 40 = 360 cm²
180*2= 360 - pole równoległoboku
9 - 1 przekątna (h1)
40 - 2 przekątna (h2)
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Zadanie
a = 9 cm
b = 41 cm
h₁ = ?
a² + h₁² = b²
9² + h₁² = 41²
81 + h₁² = 1681 l -81
h₁² = 1600
h₁ = √1600
h₁ = 40 cm
P = a · h₁
P = 9 · 40 = 360 cm²
180*2= 360 - pole równoległoboku
9 - 1 przekątna (h1)
40 - 2 przekątna (h2)