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ElaKiri Talk!
Puzzle - Radius of the circle.
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<blockquote data-quote="FALL3N" data-source="post: 29849868" data-attributes="member: 79399"><p>The right triangle inside the quarter circle has legs of 9 cm and 12 cm. The hypotenuse of this triangle will be the radius of the circle.</p><p></p><p>Using the Pythagorean theorem:</p><p></p><p>r<span style="font-size: 9px">2</span>=92+122</p><p>Calculating the squares of the legs:</p><p></p><p>r<span style="font-size: 9px">2</span>=81+144</p><p>Adding these values together:</p><p></p><p>r<span style="font-size: 9px">2</span>=225</p><p>Taking the square root of both sides to find the radius:</p><p></p><p>r=\|225=15cm</p><p>So, the radius of the circle is 15 cm15cm.</p><p></p><p><img src="/styles/default/xenforo/smilies/default/P.gif" class="smilie" loading="lazy" alt=":P" title=":P :P" data-shortname=":P" /></p></blockquote><p></p>
[QUOTE="FALL3N, post: 29849868, member: 79399"] The right triangle inside the quarter circle has legs of 9 cm and 12 cm. The hypotenuse of this triangle will be the radius of the circle. Using the Pythagorean theorem: r[SIZE=1]2[/SIZE]=92+122 Calculating the squares of the legs: r[SIZE=1]2[/SIZE]=81+144 Adding these values together: r[SIZE=1]2[/SIZE]=225 Taking the square root of both sides to find the radius: r=\|225=15cm So, the radius of the circle is 15 cm15cm. :P [/QUOTE]
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