← Previous Quiz Next Quiz → Exam Question 2003 June C2 Q4 Exam Question Progress: Time limit: 0 Quiz Summary 0 of 3 Questions completed Questions: Information You have already completed the quiz before. Hence you can not start it again. Quiz is loading… You must sign in or sign up to start the quiz. You must first complete the following: Results Quiz complete. Results are being recorded. Results 0 of 3 Questions answered correctly Your time: Time has elapsed You have reached 0 of 0 point(s), (0) Earned Point(s): 0 of 0, (0) 0 Essay(s) Pending (Possible Point(s): 0) Categories Not categorized 0% 1 2 3 Current Review Answered Correct Incorrect Question 1 of 3 1. Question 3 point(s) The diagram above shows the sector \(OAB\) of a circle of radius r cm. The area of the sector is \(15cm^2\) and\( \angle AOB= 1.5\) radians. (a) Prove that \(r=2\sqrt{5}\). Were you able to show this? Yes No Correct Incorrect Question 2 of 3 2. Question 2 point(s) (b) Find, in \(cm\), the perimeter of the sector \(OAB\). Write form \(a\sqrt{b}\), where \(a\) and \(b\) are integers to be found. a= b= Correct Incorrect Question 3 of 3 3. Question 3 point(s) The segment \(R\), shaded in the diagram above, is enclosed by the arc \(AB\) and the straight line \(AB\). (c) Calculate, to \(3\) decimal places, the of \(R\). \(R=\) \( cm^2 \) Correct Incorrect Quizzes 2003 June C2 Q4 Back to Key Skill