a = 6 см
b = 4 см
S = 1/2 ab = 1/2 × 4 × 6 = 2×6 = 12 см²
Ответ: 12
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a = 6 см
b = 4 см
S = 1/2 ab = 1/2 × 4 × 6 = 2×6 = 12 см²
Ответ: 12