Qual o comprimento do arco 65°vem circunferência de raio 7 cm
1 answer:
A fórmula que te dá o comprimento da circunferência é:
<span>2*pi*r </span>
<span>onde r é o raio. </span>
<span>Assim, uma circunferência de raio 7cm tem: </span>
<span>2*pi*7 </span>
<span>ou </span>
<span>2*3.14*7 = </span>
<span>43.96 cm </span>
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