Formulas 0.0 / 5 ? MathematicsAll FormulasGCSEEdexcel Created by: YasgrantCreated on: 11-02-15 19:47 8352146109 Across 1. Area of the cross section x length is how to work out what? (6) 4. The length of the side over Sin(angle) is which rule? (3) 6. 'x^2 + y^2 = r^2' is the equation of what 2d shape? (6) 9. When trying to solve simultaneous equations and the signs are the same, what do you do? (8) 10. The equation of what type of line has the formula 'y = mx + c' (8) Down 2. What is 'a^2=b^2+c^2-2bcCosA' the formula for? (6) 3. Frequency density is equal to __________ divided by the class width? (Histogram) (9) 4. '4 x pi x radius^2' is the volume of which 3d shape? (6) 5. The volume of what shape is calculated by '1/3 x Pi^2 x height'? (4) 8. What type of triangle would you use '1/2absinC' to work out the area of? (3, 5, 6)
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