Mathematics 9709 · AS & A Level · Circular measure
Circular measure — practice question
In the diagram, D is on side AB of triangle ABC, and CD is an arc from a circle centred at A with radius 2\,\text{cm}. BC has length 2\sqrt{3}\,\text{cm} and meets AC at right angles.
(main)[4]
Determine the area of the shaded region BDC, and express your answer using \pi and \sqrt{3}.
Worked solution & mark scheme
This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “The triangle area is correctly found as 2\sqrt{3}” …