Formulas 0.0 / 5 ? MathematicsFormualsGCSEEdexcel Created by: 12sjuddCreated on: 12-12-16 13:56 Area of a rectangle l x w 1 of 18 Area of a triangle 1/2 b x h 2 of 18 Area of a trapezium (a + b) h 3 of 18 The circumference of a circle πd 4 of 18 The area of a circle πr² 5 of 18 The circumference of a circle 2πr 6 of 18 Pythagoras' Theorm a² + b² = c² 7 of 18 The Quadratic Solution ax² + bx + c= 0 8 of 18 The Quadratic Formula -b= plus or minus the square root of b² -4ac all over 2a 9 of 18 Volume of a cuboid l x w x h 10 of 18 Volume of a prism area of cross section x length 11 of 18 Voulme of pyramid 1/3 x area of base x h 12 of 18 Speed speed = distance/time 13 of 18 Density Density= mass/volume 14 of 18 Pressure Pressure= force/area 15 of 18 Sine Rule a/SinA = b/SinB = c/SinC 16 of 18 Cosine Rule a² = b² + c² -2bcCosA 17 of 18 Area of a non right-angled triangle 1/2 ab Sin C 18 of 18
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