• #### Geometric Sequences - Problem 12

##### Math›Algebra 2›Sequences and Series
Geometric means as the square root of the product of the terms on either side.
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• #### Area of Parallelograms - Problem 4

##### Math›Geometry›Area
How to find the area of a rectangle, given the perimeter and one side.
• #### Mathematical Induction - Problem 3

##### Math›Precalculus›Sequences and Series
Using Mathematical Induction to prove an inequality when "n" is on both sides of the equation.
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• #### Area of Trapezoids - Problem 2

##### Math›Geometry›Area
How to find the area of a trapezoid given the lengths of the four sides and the height of the trapezoid.
• #### Constructing Altitudes - Problem 1

##### Math›Geometry›Constructions
How to construct an altitude in an acute triangle.
• #### Constructing Altitudes - Problem 2

##### Math›Geometry›Constructions
How to construct an altitude in an obtuse triangle.
• #### Constructing Altitudes - Concept

##### Math›Geometry›Constructions
How to define an altitude and draw them on acute, right, and obtuse triangles.
• #### Polygons - Problem 1

##### Math›Geometry›Geometry Building Blocks
How to mark equiangular, equilateral, and regular polygons.
• #### Adjacent Angles - Concept

##### Math›Geometry›Reasoning, Diagonals, Angles and Parallel Lines
How to define adjacent angles.
• #### Trapezoid Properties - Problem 2

##### Math›Geometry›Polygons
How to find all the angles in an isosceles trapezoid, given one angle.
• #### 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.
• #### Area of a Segment - Problem 2

##### Math›Geometry›Area
How to find the area of a segment, given a side in an equilateral triangle.
• #### Area of Trapezoids - Problem 3

##### Math›Geometry›Area
How to find the area of a trapezoid where the base lengths, one side, and two angles are given.
• #### Area of Regular Polygons - Concept

##### Math›Geometry›Area
How to derive the formula to calculate the area of a regular polygon.
• #### Similarity Shortcuts - Problem 1

##### Math›Geometry›Similarity
How to find a missing side of a triangle using the AA similarity shortcut.
• #### Volume of Pyramids - Problem 1

##### Math›Geometry›Volume
How to find the volume of a square pyramid given the base side length and slant 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.
• #### Properties of Similar Polygons - Concept

##### Math›Geometry›Similarity
How to identify if two figures are similar.
• #### The Law of Cosines - Problem 1

##### Math›Precalculus›Basic Trigonometry
How to use the law of cosines to find a missing side in a triangle.
• #### Similarity Shortcuts - Problem 2

##### Math›Geometry›Similarity
How to find a missing side of a triangle using the SAS similarity shortcut.