(a)[3]
Calculate the value of $AC$.
(b)[3]
Calculate the value of $AM$.
(c)[3]
Calculate the shortest distance from $A$ to $BC$.
Mathematics 0580 · IGCSE · Non-right-angled triangles
Non-right-angled triangles — practice question
The diagram represents triangle $ABC$ with $AB=17.2$ cm. The angle at $B$ is $54^\circ$ and the angle at $C$ is $68^\circ$.
Worked solution & mark scheme
This 9-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Substitutes $\frac{\sin54}{17.2}$ or an equivalent sine-rule relation” …
- Full mark scheme, point by point
- Step-by-step worked solution
- Write your answer & get it marked instantly by AI