GCSE Maths: Sine and Cosine Rules – Revision Quiz

10 QuestionsMultiple ChoiceFree Practice

About this quiz

This GCSE Maths: Sine and Cosine Rules – Revision Quiz quiz contains 10 multiple choice questions designed to help you revise and test your GCSE Mathematics knowledge. Select an answer for each question and click “Submit Answer” to see instant feedback. Take your time and try to score as high as possible!

Description

Apply the sine rule, cosine rule and area formula to non-right-angled triangles. Higher tier GCSE geometry.

Progress0 / 10 answered
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Question 1 of 10

The cosine rule is used when you know:
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Question 2 of 10

In triangle ABC, a = 7, b = 9 and angle C = 60°. Find side c using the cosine rule. (to 1 d.p.)
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Question 3 of 10

When should you use the sine rule instead of the cosine rule?
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Question 4 of 10

In triangle PQR, angle P = 40°, angle Q = 65° and side p = 8 cm. Find side q using the sine rule. (to 1 d.p.)
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Question 5 of 10

Find the area of a triangle with sides a = 8 cm, b = 6 cm and included angle C = 30°.
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Question 6 of 10

In triangle ABC, a = 5, b = 7, c = 10. Find angle C to the nearest degree.
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Question 7 of 10

The sine rule states a/sin A = b/sin B = c/sin C. What is this value called?
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Question 8 of 10

Can the sine rule give an ambiguous result?
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Question 9 of 10

In a triangle, a = 12, b = 15 and angle A = 35°. Find angle B. (to nearest degree)
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Question 10 of 10

Find the area of triangle with sides 10 cm and 14 cm and included angle 50°. (to 1 d.p.)

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