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Note: this also uses my tau update to utils/angles.js
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@Mathman06
Mathman06 committed Jan 13, 2012
1 parent 1be6371 commit 65fcb4d
Showing 1 changed file with 20 additions and 12 deletions.
32 changes: 20 additions & 12 deletions exercises/radians_to_degrees.html
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Expand Up @@ -13,27 +13,39 @@
<var id="NUM_RADIANS">roundTo( 2, toRadians(NUM_DEGREES) )</var>

<!-- Common degree and radian values -->
<!-- (index rather than member-based selection is for wrong answer generation) -->
<!-- (reformatted to include tau) -->
<var id="COMMON_INDEX">rand( commonAngles.length )</var>
<var id="COMMON_DEGREES">commonAngles[COMMON_INDEX].deg</var>
<var id="COMMON_RADIANS">commonAngles[COMMON_INDEX].rad</var>
<var id="COMMON_TAURADIANS">commonAngles[COMMON_INDEX].trad</var>
</div>

<div class="problems">
<div id="radians-to-degrees">
<p class="question">Convert the angle <code><var>COMMON_RADIANS</var></code> radians into degrees.</p>
<p class="solution"><var>COMMON_DEGREES</var>&deg;</p>
<div class="solution" data-type="multiple">
<span class="sol"> <var>COMMON_DEGREES</var></span><code>^{\circ}</code>
</div>

<div class="hints">
<p>To convert from radians to degrees, you multiply by <code>180^{\circ}</code> and then divide by <code>\pi</code>.</p>
<p><code><var>COMMON_RADIANS</var> \times \frac{180^{\circ}}{\pi} = <var>COMMON_DEGREES</var>^{\circ}</code></p>
</div>

<ul class="choices" data-show="4" data-none="true">
<li><var>wrongCommonAngle( COMMON_INDEX, 1 ).deg</var>&deg;</li>
<li><var>wrongCommonAngle( COMMON_INDEX, 2 ).deg</var>&deg;</li>
<li><var>wrongCommonAngle( COMMON_INDEX, 3 ).deg</var>&deg;</li>
</ul>

</div>

<div id="tau-radians-to-degrees">
<p class="question">Convert the angle <code><var>COMMON_TAURADIANS</var></code> radians into degrees. (Note: this angle is given in terms of <code>\tau</code>, which equals <code>2\pi</code>)</p>
<div class="solution" data-type="multiple">
<span class="sol"> <var>COMMON_DEGREES</var></span><code>^{\circ}</code>
</div>
<div class="hints">
<p>To convert from radians to degrees, you multiply by <code>360^{\circ}</code> and then divide by <code>\tau</code>.</p>
<p><code><var>COMMON_TAURADIANS</var> \times \frac{360^{\circ}}{\tau} = <var>COMMON_DEGREES</var>^{\circ}</code></p>
</div>


</div>

<div data-type="radians-to-degrees">
Expand All @@ -45,11 +57,7 @@
<p><code><var>NUM_RADIANS</var> \times \frac{180^{\circ}}{\pi} = <var>NUM_DEGREES</var>^{\circ}</code></p>
</div>

<ul class="choices" data-show="4" data-none="true">
<li><var>wrongDegrees( NUM_DEGREES )</var>&deg;</li>
<li><var>wrongDegrees( NUM_DEGREES )</var>&deg;</li>
<li><var>wrongDegrees( NUM_DEGREES )</var>&deg;</li>
</ul>

</div>
</div>
</div>
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1 comment on commit 65fcb4d

@Mathman06
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Removes multiple choice from radians_and_degrees.html exercise

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