S = ab ( длина * ширину ), значит а (длина) = S / b
a = 16/75 : 4/15 = 16/75 * 15/4 = 4/5 * 1/1 = 4/5
P = (a+b) * 2
P = (4/5 + 4/15) * 2 = (12/15 + 4/15) * 2 = 16/15 * 2/1 = 32/15 = 2 2/15
Ответ: 2 2/15 м
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S = ab ( длина * ширину ), значит а (длина) = S / b
a = 16/75 : 4/15 = 16/75 * 15/4 = 4/5 * 1/1 = 4/5
P = (a+b) * 2
P = (4/5 + 4/15) * 2 = (12/15 + 4/15) * 2 = 16/15 * 2/1 = 32/15 = 2 2/15
Ответ: 2 2/15 м