The area of a sector of a circle is 1.872π 1.872\pi\,1.872π cm2^22. The arc length of the sector is 1.56π 1.56\pi\,1.56π cm. The angle of the sector is θ \theta\,θ radians and the radius of the circle is r r\,r cm.
Find the exact values of θ \theta\,θ and rrr.
278 exam-style questions on Edexcel A Level Maths Radians, covering 5.1 Radian Measure, 5.2 Arc Length, 5.3 Areas of Sectors and Segments, 5.4 Solving Trigonometric Equations, and 5.5 Small Angle Approximations. Each one has a worked solution and a mark scheme showing where the marks go.