OCR MEI C2 2012 June — Question 5

Exam BoardOCR MEI
ModuleC2 (Core Mathematics 2)
Year2012
SessionJune
TopicRadians, Arc Length and Sector Area

5 A sector of a circle has angle 1.6 radians and area \(45 \mathrm {~cm} ^ { 2 }\). Find the radius and perimeter of the sector.