Mathematics 0580 · IGCSE · Right-angled triangles

Right-angled triangles — practice question

A vertical flagpole, BD, is set on horizontal ground and supported by two ropes, AD and CD. AD = 15 m, BC = 10.7 m and angle DAB = 38^{\circ}. The diagram is marked NOT TO SCALE.
(a)[2]

Calculate BD using trigonometry.

(b)[2]

Calculate CD using your answer from part (a).

Worked solution & mark scheme

This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “$9.23$, or $9.234$ to $9.235$” …

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI