• #### Rotational Symmetry - Concept

##### Math›Geometry›Transformations
How to define rotational symmetry and identify the degree of rotational symmetry of common regular polygons.
• #### Volume of Prisms - Problem 2

##### Math›Geometry›Volume
How to find the height of a triangular prism given the volume.
• #### Solving Formulas - Problem 2

##### Math›Geometry›Area
How to solve the area of a sector formula for the radius.
• #### Solving Formulas - Problem 1

##### Math›Geometry›Area
How to solve for one of the bases of a trapezoid in the trapezoid area formula.
• #### Surface Area of Pyramids - Problem 1

##### Math›Geometry›Area
How to calculate the surface area of a square pyramid, given the side length and height.
• #### Volume of Prisms - Problem 3

##### Math›Geometry›Volume
How to find the volume of an oblique square prism given a side and the height of the prism.
• #### Equiangular Polygon Sums - Problem 2

##### Math›Geometry›Polygons
How to find the number of sides in an equiangular polygon given the measure of one angle.
• #### Rectangle and Square Properties - Problem 1

##### Math›Geometry›Polygons
How to find the angles in a square created by drawing diagonals, and finding the lengths of those diagonals.
• #### Rectangle and Square Properties - Problem 2

##### Math›Geometry›Polygons
How to find the point of intersection of the diagonals of a rectangle in a coordinate plane.
• #### Solving Formulas - Concept

##### Math›Geometry›Area
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.
• #### Using Sine to Calculate the Area of a Triangle - Problem 2

##### Math›Trigonometry›Basic Trigonometry
How to calculate the area of a regular inscribed polygon given only the radius of a circle.
• #### Using Sine to Calculate the Area of a Triangle - Problem 2

##### Math›Geometry›Basic Trigonometry
How to calculate the area of a regular inscribed polygon given only the radius of a circle.
• #### Using Sine to Calculate the Area of a Triangle - Problem 2

##### Math›Precalculus›Basic Trigonometry
How to calculate the area of a regular inscribed polygon given only the radius of a circle.