# spheres similarity volume ratio   59 videos

• #### Volume of Spheres

##### GeometryVolume

How to calculate the volume of a sphere.

• #### 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
• #### Similarity and Area Ratios

##### GeometrySimilarity

How to convert between length and area ratios of similar polygons

polygons similar area ratios
• #### Ratios

##### AlgebraSolving Equations

How to write ratios to compare two quantities.

ratio fraction
• #### Surface Area of Spheres

##### GeometryVolume

How to calculate the surface area of a sphere given a radius.

• #### Volume of Pyramids

##### GeometryVolume

How to find the volume of any pyramid.

volume base area height pyramid regular polygon
• #### Similarity Shortcuts

##### GeometrySimilarity

How to determine if two triangles are similar using a shortcut.

similar triangles AA SAS SSS proportion congruence
• #### Locus and Definition of a Circle and Sphere

##### GeometryCircles

How to define a circle and a sphere using the word locus.

locus set of points distance plane circle sphere given
• #### Volume of Cylinders

##### GeometryVolume

How to calculate the volume of any cylinder.

volume base area height circle area rectangular prism
• #### 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
• #### Properties of Similar Polygons

##### GeometrySimilarity

How to identify if two figures are similar.

similar figures corresponding angles congruence corresponding sides proportional
• #### 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
• #### Corresponding Parts of Similar Triangles

##### GeometrySimilarity

How to relate corresponding altitudes, medians and angle bisectors in similar triangles.

similar triangles altitude median angle bisector proportional
• #### Similar Triangles in Circles and Right Triangles

##### GeometrySimilarity

How to determine if two triangles in a circle are similar and how to prove that three similar triangles exist in a right triangle with an altitude.

similar inscribed angles intercepted arc right angle circle
• #### Similar Triangles

##### Pre-AlgebraIntroductory Geometry

Overview of similarity: congruent angles, proportional corresponding sides

• #### Trigonometric Ratios: Sine

##### GeometryBasic Trigonometry

How to define the sine ratio and identify the sine of an angle in a right triangle.

trigonometry ratio right triangle sine SOH CAH TOA
• #### Trigonometric Ratios: Cosine

##### GeometryBasic Trigonometry

How to define the cosine ratio and identify the cosine of an angle in a right triangle.

trigonometry ratio right triangle sine SOH CAH TOA
• #### Trigonometric Ratios: Tangent

##### GeometryBasic Trigonometry

How to define the tangent ratio and identify the tangent of an angle in a right triangle.

trigonometry ratio right triangle sine SOH CAH TOA
• #### Trigonometric Ratios: Sine

##### TrigonometryBasic Trigonometry

How to define the sine ratio and identify the sine of an angle in a right triangle.

trigonometry ratio right triangle sine SOH CAH TOA
• #### Trigonometric Ratios: Cosine

##### TrigonometryBasic Trigonometry

How to define the cosine ratio and identify the cosine of an angle in a right triangle.

trigonometry ratio right triangle sine SOH CAH TOA