Mathematics 0580 · IGCSE · Non-right-angled triangles

Non-right-angled triangles — practice question

(a(i))[2]

Calculate the angle of elevation of $X$ from $Q$.

(a(ii))[3]

Calculate $PQ$.

(b)[3]

Calculate the acute angle $KML$.

(c(i))[2]

Show that angle $BAC = 28.4^{\circ}$, correct to 1 decimal place.

(c(ii))[3]

Calculate $BC$.

(c(iii))[3]

Calculate $BD$.

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