| Exam Board | SPS |
|---|---|
| Module | SPS SM (SPS SM) |
| Year | 2022 |
| Session | January |
| Marks | 3 |
| Topic | Sine and Cosine Rules |
| Type | Basic cosine rule application |
| Difficulty | Moderate -0.8 This is a straightforward application of the cosine rule to find one missing side, then sum all three sides. Given two sides and the included angle, it requires direct formula substitution with minimal problem-solving. Simpler than average A-level questions which typically involve multiple steps or conceptual understanding. |
| Spec | 1.05b Sine and cosine rules: including ambiguous case |
3. Triangle ABC is shown in Fig. 1.
\begin{figure}[h]
\begin{center}
\includegraphics[alt={},max width=\textwidth]{4eb48b49-816b-4a08-9f7f-c20313c4d1c9-06_517_652_237_845}
\captionsetup{labelformat=empty}
\caption{Fig. 1}
\end{center}
\end{figure}
Find the perimeter of triangle ABC .\\
(3)\\[0pt]
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\hfill \mbox{\textit{SPS SPS SM 2022 Q3 [3]}}