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Module 3 (M3) - Geometry and measures - Perimeter and area of sectors
of the area of the circle. \(A = \frac{135}{360} \times π \times 4^2\) \(A = 18.85 (2 d.p.)\) Calculate the perimeter of the sector. The perimeter is made up of an arc and two straight sides.
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Module 4 (M4) – Geometry and measures - Complex perimeter, area and volume questions
Before starting this guide, it may be helpful to read the guide from Module 3 (M3) on perimeter ... the volume and surface area of cones and spheres will appear on the formula sheet provided ...