Formula Sheet
Higher Tier
Area of trapezium = ½ (a + b) h
Volume of prism = area of cross-section x length
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In any triangle ABC:
Area of triangle = ½ab sinC
Sine rule
| a | = | b | = | c |
| sin A | sin B | sin C |
Cosine rule
a2 = b2 + c2 - 2bc cos A
The quadratic equation:
The solutions of ax2 + bx + c = 0, where a ≠ 0, are given by
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