• #### Volume of Cones - Concept

##### Math›Geometry›Volume
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.
• #### Area and Perimeter of Triangles - Concept

##### Math›Pre-Algebra›Introductory Geometry
Understanding why the area of a triangle is 1/2 base times height
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• #### Area of Parallelograms - Problem 1

##### Math›Geometry›Area
How to calculate the area of a parallelogram, given the lengths of the sides and a height.
• #### Volume of Pyramids - Problem 2

##### Math›Geometry›Volume
How to find, in an equilateral triangle pyramid, the side length of the triangle, given the volume and height.
• #### Volume of Cones - Problem 4

##### Math›Geometry›Volume
How to find the radius of a cone, given the volume and the height.
• #### Volume of Cones - Problem 2

##### Math›Geometry›Volume
How to find the volume of half of a cone, given the diameter and slant height.
• #### Space Diagonals - Problem 2

##### Math›Trigonometry›Pythagorean Theorem
How to find the space diagonal of a rectangular prism using the Pythagorean Theorem.
• #### Surface Area of Prisms - Problem 2

##### Math›Geometry›Area
How to calculate the surface area of a triangular prism.
• #### Surface Area of Prisms - Concept

##### Math›Geometry›Area
How to calculate the surface area of any prism.
• #### Area of Triangles - Problem 2

##### Math›Geometry›Area
How to find an unknown variable, x, when the area is given and the base and height of a triangle is given in terms of x.
• #### Surface Area of Pyramids - Concept

##### Math›Geometry›Area
How to calculate the surface area of any pyramid, emphasizing regular polygons as bases.
• #### Multiplication and Division Properties of Exponents - Concept

##### Math›Algebra›Exponents
How to simplify products and quotients involving exponents.
• #### 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.
• #### Zero and Negative Exponents - Problem 7

##### Math›Algebra›Exponents
Overview of negative exponents and how they switch a base from the top to the bottom, or vice versa.
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• #### Triangle Midsegment Properties - Problem 1

##### Math›Geometry›Polygons
How to solve for lengths in a triangle with two midsegments.
• #### Trapezoid Midsegment Properties - Concept

##### Math›Geometry›Polygons
How to define the midsegment of a trapezoid, calculate its length, and relate it to a triangle midsegment.
• #### Triangle Midsegment Properties - Problem 2

##### Math›Geometry›Polygons
How to solve for angles in a triangle created by a midsegment.
• #### Simplifying Expressions with Exponents - Problem 6

##### Math›Algebra›Exponents
Exponent rules for power to a power and product of same base to different powers.
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• #### Simplifying Expressions with Exponents - Concept

##### Math›Algebra›Exponents
How to simplify expressions with exponents.
• #### Properties of Logarithms - Concept

##### Math›Precalculus›Exponential and Logarithmic Functions
How to evaluate logarithms when the argument is a recognizable power of the base.