# Geometry [[Trigonometry]] topics are listed separately. ## Shapes - [[Conic Section|Conic sections]]: [[Ellipse]], [[Circle]], [[Quadratics|Parabola]], [[Hyperbola]] - [[Triangle]] - [[Sphere]] ## Misc - [[Bretschneider's Formula for The Area of Any Quadrilateral]], which is a generalization of - [[Brahmagupta's Formula For The Area of Any Cyclic Quadrilateral]], which is a further generalization of - [[Heron's Formula For The Area of Any Triangle]] (which can be thought of a quadrilateral with the length of the fourth side being 0) - [[The Golden Ratio]] - [[Calculating The Volume of a Smooth Object Defined by a Function Using Calculus]] - [[Calculating The Surface Area of a Smooth Object Defined by a Function Using Calculus]] - [[Determining the Length of a Section of a Curve]]