<p>The diagram below shows two kites at point \(C\) and \(D\) above the horizontal ground \(AB\). The string \(AC\) is \(175\text{m}\) long and distance \(BC = \text{distance}\hspace{0.5em} CD\).<br>\(AC\) makes an angle of \(40^\circ\) with the ground.</p>
<div class="content-block"><figure class="question-figure aligncenter" style="text-align: center;"><img src="https://vocwkpgapvksartxhhor.supabase.co/storage/v1/object/public/question-images/pasted/1783666361830-ova0lx97yw.png" style="max-width: min(250px, 100%); height: auto; display: block;" class="aligncenter custom-width" /></figure></div>
<ol class="i-list"><li data-list-item-id="item-i" data-list-item-path="item-i"><div class="list-item-paragraph">Find the length of \(AB\).<span class="inline-marks">[2]</span></div></li><li data-list-item-id="item-ii" data-list-item-path="item-ii"><div class="list-item-paragraph">Find \(\angle CAD\).<span class="inline-marks">[3]</span></div></li></ol>

The diagram below shows two kites at point \(C\) and \(D\) above the horizontal ground \(AB\). The string \(AC\) is \(175\text{m}\) long and distance \(BC = \text{distance } CD\).
\(AC\) makes an angle of \(40^\circ\) with the ground.

Trigonometry

Trigonometry