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1.5 Trigonometry

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Question 17

A parallelogram $ABCD\,$ has area 55 cm². Given $AB\,$ has length 5 cm, $BC\,$ has length 12 cm and angle $ABC\,$ is obtuse.

Find the size of angle $ABC\,$ to 2 decimal places.

[3]

Find the length of the diagonal $AC\,$ to 1 decimal place.

[2]

Markscheme

1.5 Trigonometry Questions

A Level
Maths
1.5 Trigonometry

97 exam-style questions on WJEC A Level Maths 1.5 Trigonometry, covering 1.5.1 Trigonometry, 1.5.2 Trigonometry, 1.5.3 Trigonometry, 1.5.4 Trigonometry, and 1.5.5 Trigonometry. Each one has a worked solution and a mark scheme showing where the marks go.

1.5 Trigonometry

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1.5 Trigonometry

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Question 17

A parallelogram $ABCD\,$ has area 55 cm². Given $AB\,$ has length 5 cm, $BC\,$ has length 12 cm and angle $ABC\,$ is obtuse.

Find the size of angle $ABC\,$ to 2 decimal places.

[3]

Find the length of the diagonal $AC\,$ to 1 decimal place.

[2]

Markscheme

1.5 Trigonometry Questions

A Level
Maths
1.5 Trigonometry