obwód:
4+4+4+4= 16
pole:
x² + 2/3² = 4²
x² = 4² - 2/3²
x² = 16 - 4*3
x² = 16 -12
x² = 4
x = 2
x to jest bok
P= e*f
P = 2x * (2 * 2/3)
P = 4 * 4/3
P = 16/3
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obwód:
4+4+4+4= 16
pole:
x² + 2/3² = 4²
x² = 4² - 2/3²
x² = 16 - 4*3
x² = 16 -12
x² = 4
x = 2
x to jest bok
P= e*f
P = 2x * (2 * 2/3)
P = 4 * 4/3
P = 16/3