1) b = 2 cm, a = 2 * 3 = 6 cm, P = (2+6) * 2 = 16, S = 2 * 6 = 18 cm²
2) b = 1 cm, a = 1 * 3 = 3, P = ( 1 + 3) * 2 = 8, S = 1 * 3 = 3 cm²
3) b = 3 cm, a = 3 * 3 = 9, P = (3 + 9) * 2 = 24, S = 3 * 9 = 27cm²
Пошаговое объяснение: * это умножение
1) b = 2 cm, a = 2 * 3 = 6 cm, P = (2+6) * 2 = 16, S = 2 * 6 = 18 cm²
2) b = 1 cm, a = 1 * 3 = 3, P = ( 1 + 3) * 2 = 8, S = 1 * 3 = 3 cm²
3) b = 3 cm, a = 3 * 3 = 9, P = (3 + 9) * 2 = 24, S = 3 * 9 = 27cm²
Пошаговое объяснение: * это умножение