HTML sup tag example - Webthestuff

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    <title>How do sup tags work?</title>
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    <h1>How do sup tags work?</h1>
    <p>Pythagorean theorem: </p>
    <var>a<sup>2</sup></var> + <var>b<sup>2</sup></var> = <var>c<sup>2</sup></var>

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