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Aluno
Qual é a soma das medidas dos ângulos internos do pentágono? Escolha 1 resposta: (A) 270∘270^{\circ}270∘ (B) 180∘180^{\circ}180∘ (C) 360∘360^{\circ}360∘ (D) 540∘540^{\circ}540∘
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