Question

Calcule as áreas das figuras planas abaixo:
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Answer 1

Resposta:

$a) {3}^{2} = 3 \times 3 = 9$

$b)4 \times 5 = 20$

$c) \frac{6 \times 4}{2} = \frac{24}{2} = 12$

$e) \frac{(5 + 3) \times 4}{2} = \frac{8 \times 4}{2} = \frac{32}{2} = 16$

$d) \frac{(5 + 2) \times 3}{2} = \frac{7 \times 3}{2} = \frac{21}{2}$

$f)9 \times 5 = 45$

espero ter ajudado!