Mathematics 0580 · IGCSE · Non-right-angled triangles

Non-right-angled triangles — practice question

(a(i))[5]

Show that $AC=76.7\text{ m}$, accurate to 1 decimal place.

(a(ii))[3]

Calculate the length of $BD$.

(b(i))[4]

Calculate the length of $EF$.

(b(ii))[1]

Find the value of angle $PQR$.

Worked solution & mark scheme

This 13-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Determines angle $46^$ or $44^$” …