<p>The diagram shows a prism whose cross-section area is a right-angled triangle.</p>
<p>\(AB=24\) cm, \(BC=8\) cm and \(FC=6\) cm.</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/1767444001513-nwkdc5lfac.png" style="max-width: min(250px, 100%); height: auto; display: block;" class="aligncenter custom-width" /></figure></div>
<p>Calculate</p>
<ol class="i-list"><li><div class="list-item-content"><span class="list-item-text">the length of \(FB\),</span></div></li><li><div class="list-item-content"><span class="list-item-text">the area of \(\Delta AFB\),</span></div></li><li><div class="list-item-content"><span class="list-item-text">the \(\angle FAE\).</span></div></li></ol>

The diagram shows a prism whose cross-section area is a right-angled triangle.

\(AB=24\) cm, \(BC=8\) cm and \(FC=6\) cm.

Trigonometric Ratios in 3D: Determining the Inclination of Line $AF$

Trigonometric Ratios in 3D: Determining the Inclination of Line $AF$

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