need to know formulae (maths) 5.0 / 5 based on 1 rating ? MathematicsformulaeGCSEAQA Created by: abi2422Created on: 29-11-20 11:30 area of a rectangle length x width 1 of 19 area of a parallelogram base x height 2 of 19 area of a triangle ½ x base x height 3 of 19 area of a trapezium ½ x (a + b) x height 4 of 19 volume of a cuboid length x width x height 5 of 19 volume of a prism area of cross section x length 6 of 19 volume of a cylinder π x radius² x height 7 of 19 volume of a pyramid ⅓ x area of base x height 8 of 19 circumference of a circle π x diameter 9 of 19 area of a circle π x radius² 10 of 19 speed equation speed = distance/time 11 of 19 density equation density = mass/volume 12 of 19 pressure equation pressure = force/area 13 of 19 Pythagoras' theorem (right angle triangle) a² + b² = c² 14 of 19 trigonometric ratios SOHCAHTOA sinθ°=opp/hyp cosθ°=adj/hyp tanθ°=opp/adj 15 of 19 sine rule a/sinA = b/sinB = c/sinC 16 of 19 cosine rule a² = b² + c² - 2bc cos A 17 of 19 trig area of triangle ½ ab sin C 18 of 19 quadratic equation -b±√(b²-4ac) / 2a 19 of 19
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