Answer:
area = 31.5 cm²
Explanation:
area = area del rectangulo ABDE - area del triangulo AFE + area del triangulo BDC
area = 10 cm × 3 cm - 3 cm × 1 cm / 2 + 2 cm × 3 cm / 2
area = 30 cm² - 1.5 cm² + 3 cm²
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