Basic math formulas 0.0 / 5 ? MathematicsNumberGCSEEdexcel Created by: Ben1Ben1Created on: 23-04-17 19:29 Circumference of a circle π X Diameter 1 of 24 Area of a circle π X (RXR) 2 of 24 Area of Triangle BXH divide by 2 3 of 24 S= O/H 4 of 24 c= A/H 5 of 24 t= O/A 6 of 24 Sine rule a/sinA= b/sinB= c/sinC 7 of 24 Pythagoras a2+b2=c2 8 of 24 internal angles sides-2 X 180 9 of 24 exteral angles 360/sides 10 of 24 Circle 1 side no corners infinite lines of symmetry 11 of 24 Triangle 3 sides 3 corners lines of symmetry depend on triangle 12 of 24 Square 4 equal sides 4 corners 4 lines of symmetry 13 of 24 rectangle 4 sides, equal pairs 4 corners 4 lines of symmetry 14 of 24 Pentagon only for regular: 5 equal sides 5 equal angles 15 of 24 Volume of Cuboid l X h X w 16 of 24 Volume of prism normal area X length 17 of 24 Area of a Parallelogram A=bXh 18 of 24 Area of a Trapezium A=1/2(a+b)h 19 of 24 Volume of a sphere r3XπX4/3 20 of 24 Surface Area of a Sphere 4πr2 21 of 24 Volume of a Cone 1/3πr2h 22 of 24 curved surface area of a cone π X r X l 23 of 24 Volume of a pyramid Multiply the area of the base by the perpendicular height. Divide your answer by three 24 of 24
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