• #### The Law of Sines - Problem 1

##### Math›Trigonometry›Basic Trigonometry
How to find the length of a triangle given two angles and a side, using the law of sines.
• #### Triangle Midsegment Properties - Problem 2

##### Math›Geometry›Polygons
How to solve for angles in a triangle created by a midsegment.
• #### Polygon Angle Sum - Problem 2

##### Math›Geometry›Polygons
How to find the number of sides of a polygon when you know the sum of its angles.
• #### Equiangular Polygon Sums - Problem 3

##### Math›Geometry›Polygons
How to find the measure of angles in regular polygons that share sides.
• #### Solving Formulas - Problem 3

##### Math›Geometry›Area
How to solve the area of a regular polygon formula for the side length.
• #### Trigonometric Ratios: Cosine - Problem 2

##### Math›Geometry›Basic Trigonometry
How to find the length of a hypotenuse in a right triangle, given a side length.
• #### Two Column Proofs - Problem 4

##### Math›Geometry›Triangles
How to use a two column proof to show that two sides are congruent with overlapping triangles.
• #### Area of Triangles - Problem 1

##### Math›Geometry›Area
How to find the height of a triangle, given the three sides of a right triangle, using the area of a triangle formula.
• #### Kite Properties - Problem 2

##### Math›Geometry›Polygons
How to find the vertex and non-vertex angles in a kite.
• #### Trigonometric Ratios: Tangent - Problem 1

##### Math›Geometry›Basic Trigonometry
How to find the length of a side in a right triangle using the tangent ratio.
• #### Kite Properties - Problem 1

##### Math›Geometry›Polygons
How to find the angles created by the two diagonals in a kite.
• #### Midpoints and Congruent Segments - Problem 1

##### Math›Geometry›Geometry Building Blocks
How to use the definition of a midpoint to solve for side lengths.
• #### Similar Triangles - Problem 1

##### Math›Pre-Algebra›Introductory Geometry
Using proportionality to find the missing side length in similar figures
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• #### Solving an Equation with Radicals - Concept

##### Math›Algebra 2›Roots and Radicals
How to solve an equation with a square root.
• #### Solving Two-step Equations - Problem 5

##### Math›Algebra›Solving Equations
Solving equations where the variable is on the right hand side of the equals sign
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• #### Area of Regular Polygons - Problem 3

##### Math›Geometry›Area
How to calculate the perimeter of a regular polygon given the area and apothem length.
• #### Polygon Angle Sum - Problem 1

##### Math›Geometry›Polygons
How to find the sum of the angles when you know the number of sides of a polygon.
• #### Triangle Midsegment Properties - Concept

##### Math›Geometry›Polygons
How to define a triangle midsegment and describe its special properties.
• #### The Law of Cosines - Problem 2

##### Math›Precalculus›Basic Trigonometry
How to use the law of cosines to find a missing angle given three sides in a triangle.
• #### Area and Perimeter of Rectangles - Problem 1

##### Math›Pre-Algebra›Introductory Geometry
Finding the area and perimeter of parallelograms with integer side lengths
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