Maths formulae 0.0 / 5 ? MathematicsGeneralGCSEEdexcel Created by: WillMelbourneCreated on: 22-04-17 22:16 Area of a rectangle length x width 1 of 28 Area of a parallelogram base x height 2 of 28 Area of a triangle 1/2 base x height 3 of 28 Area of a trapezium 1/2(a + b) x height 4 of 28 Area of a circle pi x radius² 5 of 28 Diameter radius x 2 6 of 28 Circumference of a circle pi x diameter 7 of 28 Pythagoras theorem (hyp) a² + b² = c² 8 of 28 Pythagoras theorem (shorter side) c² - a² = b² 9 of 28 Volume of a cuboid length x height x width 10 of 28 Volume of a prism area of cross section x length 11 of 28 Volume of a cylinder pi x radius² x height 12 of 28 Volume of a pyramid 1/3 x area of base x height 13 of 28 Speed distance / time 14 of 28 Distance speed x time 15 of 28 Time distance / speed 16 of 28 Density mass / volume 17 of 28 Mass density x volume 18 of 28 Volume mass / density 19 of 28 Pressure force / area 20 of 28 Force pressure x area 21 of 28 Area force / pressure 22 of 28 Sin x° opp / hyp 23 of 28 Cos x° adj / hyp 24 of 28 Tan x° opp / adj 25 of 28 Sine rule a/sinA = b/sinB = c/sinC 26 of 28 Cosine rule a² = b² + c² - 2bc cos A 27 of 28 Area of a triangle 1/2ab x sinC (NOT right-angled triangle) 28 of 28
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