Odpowiedź:
h = 15 cm
b = 15 cm +2 cm =17 cm
a = 2 x
x² + h² = b²
x² = 17² - 15² = 289 - 225 = 64
x = [tex]\sqrt{64} = 8[/tex]
x = 8 cm
a = 2*8 cm = 16 cm
Obwód Δ
L = a + 2 b = 16 cm + 2*17 cm = 50 cm
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Odpowiedź:
h = 15 cm
b = 15 cm +2 cm =17 cm
a = 2 x
x² + h² = b²
x² = 17² - 15² = 289 - 225 = 64
x = [tex]\sqrt{64} = 8[/tex]
x = 8 cm
a = 2*8 cm = 16 cm
Obwód Δ
L = a + 2 b = 16 cm + 2*17 cm = 50 cm
==================================
Szczegółowe wyjaśnienie: