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Merge pull request #109 from drguildo/patch-1
Reference Figure 1.10 explicitly
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shiffman committed Sep 9, 2016
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Expand Up @@ -692,7 +692,7 @@ <h2>1.5 Vector Magnitude</h2>

<a data-primary="Pythagoras" data-type="indexterm"></a> <a data-primary="Pythagorean theorem" data-type="indexterm"></a>

<p>Notice in the above diagram how the vector, drawn as an arrow and two components (<code>x</code> and <code>y</code>), creates a right triangle. The sides are the components and the hypotenuse is the arrow itself. We’re very lucky to have this right triangle, because once upon a time, a Greek mathematician named Pythagoras discovered a lovely formula to describe the relationship between the sides and hypotenuse of a right triangle.</p>
<p>Notice in Figure 1.10 how the vector, drawn as an arrow and two components (<code>x</code> and <code>y</code>), creates a right triangle. The sides are the components and the hypotenuse is the arrow itself. We’re very lucky to have this right triangle, because once upon a time, a Greek mathematician named Pythagoras discovered a lovely formula to describe the relationship between the sides and hypotenuse of a right triangle.</p>

<figure class="half-width-right" id="chapter01_figure11"><img alt="Figure 1.11: The Pythagorean Theorem" src="chapter01/ch01_11.png" />
<figcaption>Figure 1.11: The Pythagorean Theorem&nbsp;</figcaption>
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