Question

calcule a area hachurada da
figura.
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Answer 1

$\frac{(10 + 10) \times (5 + 5)}{2} - \frac{(6 + 6) \times (3 + 3)}{2} \\ \frac{20 \times 10}{2} - \frac{12 \times 6}{2} \\ \frac{200}{2} - \frac{72}{2} \\ 100 - 36 = 64$