Sромба=а² * sinα = а² * sin 135° = 36 * √2\2 = 18√2 cм²
Ответ: 18√2 cм²
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Sромба=а² * sinα = а² * sin 135° = 36 * √2\2 = 18√2 cм²
Ответ: 18√2 cм²