Arc Length and Sector Area – Exam Questions - Web Maths
Arc Length and Sector Area – Exam Questions
1. A circle has a radius of 6 cm. A sector has an arc length of 8.4 cm.
The angle at the centre of the sector is θ.
Calculate the value of θ. (3 marks)
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2. The first diagram shows a cylindrical block of wood of diameter 24 cm and height 10 cm. It is cut into six equal prisms as shown. One of the prisms is shown in the second diagram.
(a) Calculate the area of sector BEC, the cross-section.
Give your answer in terms of π. (2 marks)
(b) Find the area of CDFE, the curved surface of the prism.
Give your answer in terms of π. (3 marks)
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3. The diagram shows a sector of a circle of radius 9 cm. Find the perimeter of the sector. Give your answer in terms of π. (3 marks)
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4. AB is a chord of a circle, centre O, radius 6 cm. AB = 7 cm
Calculate the area of the shaded segment. (6 marks)
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