| Exam Board | Edexcel |
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| Module | AS Paper 1 (AS Paper 1) |
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| Year | 2021 |
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| Session | November |
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| Topic | Sine and Cosine Rules |
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- A parallelogram \(P Q R S\) has area \(50 \mathrm {~cm} ^ { 2 }\)
Given
- \(P Q\) has length 14 cm
- \(Q R\) has length 7 cm
- angle \(S P Q\) is obtuse
find
- the size of angle \(S P Q\), in degrees, to 2 decimal places,
- the length of the diagonal \(S Q\), in cm , to one decimal place.