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Double the radius and multiply by pi or multiply the diameter by pi.Area of a RectangleFMultiply the length by the width.A=L×WArea of a TriangleFMultiply the base by the perpendicular height and divide by two.A=12bhArea of a ParallelogramFMultiply the base by the height.A=b×hArea of a TrapeziumFAdd together the parallel sides and multiply by the height. Divide your answer by two.A=12(a+b)hArea of a CircleFSquare the radius and multiply by pi.A=πr2Circumference of a CircleF

Area of a Rectangle F Multiply the length by the width. A=L×WArea of a Triangle F Multiply the base by the perpendicular height and divide by two. A=12bhArea of a Parallelogram F Multiply the base by the height. A=b×hArea of a Trapezium F Add together the parallel sides and multiply by the height. Divide your answer by two. A=12(a+b)hArea of a Circle F Square the radius and multiply by pi. A=πr2Circumference of a Circle F Double the radius and multiply by pi or multiply the diameter by pi. C=2πr or C=πdVolume of a Cuboid F Multiply the length by the width by the height. V=lwhVolume of a Prism F Multiply the cross sectional area of the prism by its length. n/aVolume of a Sphere H Cube the radius and multiply by pi. Multiply your answer by four then divide by three. V=43πr3Surface Area of a Sphere H Square the radius and multiply by pi. Multiply your answer by four. A=4πr2Volume of a Cone H Square the base radius of the cone and multiply by pi. Multiply your answer by the perpendicular height. Divide your answer by three. V=13πr2hCurved Surface Area of a Cone H Multiply the base radius of the cone by pi. Multiply your answer by the length of the side of the cone. A=πrlVolume of a Pyramid H Multiply the area of the base by the perpendicular height. Divide your answer by three. n/aSine Rule H n/a aSinA=bSinB=cSinCCosine Rule H n/a a2=b2+c2−2bcCosAArea of any Triangle H n/a 12abSinCQuadratic Equation H n/a x=−b±b2−4ac√2aC=2πr or C=πdVolume of a CuboidFMultiply the length by the width by the height.V=lwhVolume of a PrismFMultiply the cross sectional area of the prism by its length.n/aVolume of a SphereHCube the radius and multiply by pi. Multiply your answer by four then divide by three.V=43πr3Surface Area of a SphereHSquare the radius and multiply by pi. Multiply your answer by four.A=4πr2Volume of a ConeHSquare the base radius of the cone and multiply by pi. Multiply your answer by the perpendicular height. Divide your answer by three.V=13πr2hCurved Surface Area of a ConeHMultiply the base radius of the cone by pi. Multiply your answer by the length of the side of the cone.A=πrlVolume of a PyramidHMultiply the area of the base by the perpendicular height. Divide your answer by three.n/aSine RuleHn/aaSinA=bSinB=cSinCCosine RuleHn/aa2=b2+c2−2bcCosAArea of any TriangleHn/a12abSinCQuadratic EquationHn/ax=−b±b2−4ac√2a

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