Odpowiedź:
Szczegółowe wyjaśnienie:
5 = a √2 / 3 / * 3
15 = a √2 / : √2
15 / √2 = a
15 √2 / √2 * √2 = a
15 √2 / 2 = a
h = a/2 = 15 √2 / 2 / 2 = 15 √2 / 2 * 1/2 = 15 √2 / 4
P = a * h = (5+4) * 15 √2 / 4 = 9 * 15√2 / 4 = 135 √2 / 4
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Odpowiedź:
Szczegółowe wyjaśnienie:
5 = a √2 / 3 / * 3
15 = a √2 / : √2
15 / √2 = a
15 √2 / √2 * √2 = a
15 √2 / 2 = a
h = a/2 = 15 √2 / 2 / 2 = 15 √2 / 2 * 1/2 = 15 √2 / 4
P = a * h = (5+4) * 15 √2 / 4 = 9 * 15√2 / 4 = 135 √2 / 4