# volume base area height pyramid regular polygon   109 videos

• #### Volume of Pyramids

##### GeometryVolume

How to find the volume of any pyramid.

volume base area height pyramid regular polygon
• #### Surface Area of Pyramids

##### GeometryArea

How to calculate the surface area of any pyramid, emphasizing regular polygons as bases.

regular polygon lateral area apothem
• #### Area of Regular Polygons

##### GeometryArea

How to derive the formula to calculate the area of a regular polygon.

area apothem side hexagon isosceles triangle perimeter equilateral equiangular
• #### Volume of Cones

##### GeometryVolume

How to compare the volume of a cone and a cylinder and how to calculate the volume of a cone given the radius and height.

volume base area height circle area
• #### Volume of Prisms

##### GeometryVolume

How to find the volume of any prism, right or oblique using a general formula.

volume base area height trapezoid regular polygon oblique prism
• #### Center and Apothem of Regular Polygons

##### GeometryArea

How to define the apothem and center of a polygon; how to divide a regular polygon into congruent triangles.

center circumscribed circle inscribed polygon isosceles triangle regular hexagon
• #### Volume of Cylinders

##### GeometryVolume

How to calculate the volume of any cylinder.

volume base area height circle area rectangular prism
• #### Ecological Pyramids

##### BiologyCommunities and Ecosystems

An overview of ecological pyramids.

ecological pyramids
• #### Area of Parallelograms

##### GeometryArea

How to find the area of any parallelogram using rectangle area formulas.

area of rectangles base times height
• #### Area of Trapezoids

##### GeometryArea

How to derive the area of a trapezoid formula using the area of a rectangle.

trapezoid parallelogram base height
• #### Similarity and Area Ratios

##### GeometrySimilarity

How to convert between length and area ratios of similar polygons

polygons similar area ratios
• #### Volume and Surface Area

##### Pre-AlgebraIntroductory Geometry

Vocabulary and formulas for surface area and volume of common solids

• #### Similarity and Volume Ratios

##### GeometrySimilarity

How to identify if two solids are similar and how to convert 1D ratios to surface area and volume ratios.

similarity volume ratios surface area
• #### Polygons

##### GeometryGeometry Building Blocks

How to define a polygon, how to distinguish between concave and convex polygons, how to name polygons.

polygon closed figure side segment vertex convex concave diagonal
• #### Volume of Spheres

##### GeometryVolume

How to calculate the volume of a sphere.

• #### Solving Formulas

##### GeometryArea

How to strategize about solving formulas for variables; how to solve the area of a rectangle formula for base and height; how to solve the area of a triangle formula for base and for height.

formulas isolating a variable rectangle area triangle area trapezoid area regular polygon area
• #### Equiangular Polygon Sums

##### GeometryPolygons

How to find the measure of one angle in any equiangular or regular polygon.

equiangular regular congruent triangles sum
• #### Polygons

##### Pre-AlgebraIntroductory Geometry

Naming polygons, classifying triangles, and classifying quadrilaterals

• #### Surface Area of Prisms

##### GeometryArea

How to calculate the surface area of any prism.

prism 3d bases lateral faces lateral area surface area
• #### Number of Diagonals in a Polygon

##### GeometryReasoning, Diagonals, Angles and Parallel Lines

How to determine the number of diagonals in a polygon.

vertex diagonal non consecutive vertices polygon