Mathematics 4024 · O Level · Circles, arcs and sectors

Circles, arcs and sectors — practice question

$OMN$ is a sector of a circle with centre $O$. $ON = 20\text{ cm}$, and the area of the sector is $30\pi\text{ cm}^2$.
(main)[3]

Calculate the value of $x$.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Accurate sector/arc calculation” …

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