Resposta:
1. a) A = 8 cm ? 8 cm = 64 cm2
b) A = 12 cm ? 6 cm = 72 cm2
c) A =
(6 cm + 4 cm) ? 3 cm 2
= 15 cm2
d) A =
(7 cm + 5 cm) ? 4 cm 2
= 24 cm2
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Resposta:
1. a) A = 8 cm ? 8 cm = 64 cm2
b) A = 12 cm ? 6 cm = 72 cm2
c) A =
(6 cm + 4 cm) ? 3 cm 2
= 15 cm2
d) A =
(7 cm + 5 cm) ? 4 cm 2
= 24 cm2