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.
The perimeter of a shape is the distance around the outside. It is a length so is measured in mm, cm, m, km or any other unit of length. 1. Calculate the lengths of the missing sides. The total ...