Edexcel Mathematics Sample paper · Paper 1 · Question 2 · ExamRizz

ExamRizzEdexcel MathematicsMathematics

Sample paper · Paper 1 · Question 2 · 5 marks

2. O Figure 1 C A O D 3cm 12cm 0.4 B The shape ABCDOA, as shown in Figure 1, consists of a sector COD of a circle centre O joined to a sector AOB of a different circle, also centre O. Given that arc length CD = 3 cm, ∠COD = 0.4 radians and AOD is a straight line of length 12 cm, (a) find the length of OD, (2) (b) find the area of the shaded sector AOB. (3)