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Exam-Style Questions.Problems adapted from questions set for previous Mathematics exams. |
1. | GCSE Higher |
The diagram shows a sector of a circle, centre O, with one angle shown as being 110°. If the radius of the circle is 8cm calculate:
(a) The area of the shaded area.
(b) The perimeter of the shaded area.
2. | GCSE Higher |
The diagram shows a sector of a circle with sector angle 160° and radius 18 cm.
A chord divides the area of the sector into a yellow triangle and a blue segment. Calculate the area of the blue segment.
3. | GCSE Higher |
OAB is a sector of a circle with centre O and radius 10 cm.
The length of the arc from A to B is 15cm.
Calculate the are of the sector. Give your answer correct to 3 significant figures.
4. | GCSE Higher |
This draft emoji design (not drawn to scale) includes a circle and a kite.
AB and AC are both tangents to the circle centre O.
The radius of the circle is 7cm. The dashed line AO is 12cm.
Calculate the length of the arc BDC.
5. | IB Standard |
The following diagram shows a circle with centre O and radius 9 cm.
The points A, B and C lie on the circumference of the circle, and AÔC = 1.2 radians.
(a) Find the length of the arc ABC.
(b) Find the perimeter of the minor sector OAC.
(c) Find the area of the minor sector OAC.
6. | GCSE Higher |
Two identical small yellow circles are drawn inside one large circle, as shown in the diagram. The centres of the small circles lie on the diameter of the large circle. The part of the large circle that is outside both small circles is painted red.
Find the fraction of the large circle that is painted red.
7. | IB Analysis and Approaches |
The following diagram (not to scale) shows a circle with centre O and radius 7 cm.
The points A, B and C lie on the circumference of the circle and reflex angle \(A\hat{O}C = \theta\) where \( \theta\) is measured in radians.
The length of arc ABC is 30cm.
(a) Find the perimeter of the sector shaded red.
(b) Find \( \theta \).
(c) Find the area of the sector shaded red.
8. | IB Standard |
The diagram below shows an isosceles right-angled triangle and two arcs of circles. The larger arc is part of a circle with its centre at D and the smaller arc is part of a circle with its centre at A.
The right-angled triangle has two sides of length 10cm.
The point D is the midpoint of BC.
(a) Calculate the area of the red segment.
(b) Calculate the area of the yellow region.
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The exam-style questions appearing on this site are based on those set in previous examinations (or sample assessment papers for future examinations) by the major examination boards. The wording, diagrams and figures used in these questions have been changed from the originals so that students can have fresh, relevant problem solving practice even if they have previously worked through the related exam paper.
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