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Question 32

Sector AOB is a sector of a circle, radius r r\,r cm.

Diagram of a circular sector AOB with center O, radius r cm, and angle theta. A dashed line connects A and B, forming an equilateral triangle AOB.

Triangle AOB is equilateral. The area of sector AOB is 24π 24\pi\,24π cm2^22

Find, in terms of π\piπ, the perimeter of the sector.

[4]
Markscheme

Radians Questions

  1. A Level
  2. /Maths
  3. /Radians

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.

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