In contemporary linguistic usage, the terms standard dialect and standard variety are neutral synonyms for the term standard language, usages which indicate that the standard is one of many dialects and varieties of a language, rather than the totality of the language
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>
