• #### Polygons - Concept

##### Math›Pre-Algebra›Introductory Geometry
Naming polygons, classifying triangles, and classifying quadrilaterals
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• #### The Law of Sines - Concept

##### Math›Trigonometry›Basic Trigonometry
How to define the law of sines.
• #### Area of a Segment - Concept

##### Math›Geometry›Area
How to derive the area of a segment formula.
• #### Constructing the Orthocenter - Problem 1

##### Math›Geometry›Constructions
How to construct the orthocenter of an obtuse triangle.
• #### The Law of Sines - Concept

##### Math›Geometry›Basic Trigonometry
How to define the law of sines.
• #### The Law of Sines - Concept

##### Math›Precalculus›Basic Trigonometry
How to define the law of sines.
• #### The Law of Cosines - Concept

##### Math›Geometry›Basic Trigonometry
How to define and use the law of cosines.
• #### Binomial Theorem - Problem 5

##### Math›Algebra 2›Polynomials
Finding the nth term in binomial expansion or expanding a binomial using Pascal's Triangle.
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• #### Reflectional Symmetry - Concept

##### Math›Geometry›Transformations
How to identify and describe reflectional symmetry.
• #### Pythagorean Theorem - Problem 1

##### Math›Pre-Algebra›Introductory Geometry
Using the Pythagorean Theorem to find integer side lengths of right triangles
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• #### Pythagorean Theorem - Problem 2

##### Math›Pre-Algebra›Introductory Geometry
Using the Pythagorean Theorem to find decimal approximations for missing side lengths in a right triangle
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• #### 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.
• #### Tangent Segments to a Circle - Problem 1

##### Math›Geometry›Circles
How to find the lengths of a triangle circumscribed about a circle.
• #### Pythagorean Theorem - Problem 3

##### Math›Pre-Algebra›Introductory Geometry
Using the Converse of the Pythagorean Theorem to determine whether or not three sides would create a right triangle
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• #### Binomial Theorem - Problem 8

##### Math›Precalculus›Topics in Discrete Math
Using Pascal's Triangle and the Binomial Theorem to expand a binomial difference.
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• #### Rotational Symmetry - Concept

##### Math›Geometry›Transformations
How to define rotational symmetry and identify the degree of rotational symmetry of common regular polygons.
• #### Rotational Symmetry - Problem 1

##### Math›Geometry›Transformations
How to draw a figure with a given degree of rotational symmetry.
• #### Binomial Theorem - Problem 4

##### Math›Algebra 2›Polynomials
Using Pascal's Triangle and the Binomial Theorem to expand a binomial with coefficients one.
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• #### Area of Trapezoids - Problem 1

##### Math›Geometry›Area
How to find the length of a base in a triangle where the area, other base, and height are known.
• #### Binomial Theorem - Problem 6

##### Math›Algebra 2›Polynomials
Using Pascal's Triangle or the Binomial Theorem to expand a binomial with coefficients that are not one.
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