• #### SSS and SAS - Concept

##### Math›Geometry›Triangles
How to use the SAS and SSS shortcuts to determine the congruence of two triangles.
• #### SSS and SAS - Problem 4

##### Math›Geometry›Triangles
How to use SAS and SSS to determine which triangles are congruent and correctly denote the congruence.
• #### SSS and SAS - Problem 2

##### Math›Geometry›Triangles
How to use SAS and SSS to determine congruence of triangles and denote the congruence correctly.
• #### Central Angles and Intercepted Arcs - Concept

##### Math›Geometry›Circles
How to define a central angle and find the measure of its intercepted arc; how to describe the intercepted arcs of congruent chords.
• #### ASA and AAS - Concept

##### Math›Geometry›Triangles
How to use the ASA and AAS shortcuts to determine the congruence of two triangles.
• #### ASA and AAS - Problem 4

##### Math›Geometry›Triangles
How to use ASA and AAS to determine the congruence of adjacent triangles and denote the congruence correctly.
• #### ASA and AAS - Problem 1

##### Math›Geometry›Triangles
How to use ASA and AAS to determine congruence of triangles and denote the congruence correctly.
• #### ASA and AAS - Problem 3

##### Math›Geometry›Triangles
How to use ASA and AAS to determine the congruence of adjacent triangles and denote the congruence correctly.
• #### Perimeter - Problem 1

##### Math›Geometry›Geometry Building Blocks
How to calculate the side length of a rectangle given the perimeter and a different side.
• #### Parallelogram Properties - Concept

##### Math›Geometry›Polygons
How to identify all of the special properties of parallelograms and use them to solve problems.
• #### Parallelogram Properties - Problem 3

##### Math›Geometry›Polygons
How to find the lengths of the diagonals in a parallelogram if they are given in terms of a variable.
• #### ASA and AAS - Problem 2

##### Math›Geometry›Triangles
How to use ASA and AAS and properties of angles formed by a transversal of parallel lines to determine the congruence of vertical triangles and denote the congruence correctly.
• #### Graphing a Rational Expression - Problem 2

##### Math›Algebra 2›Rational Expressions and Functions
How to transform the graph of a rational equation side to side.
• #### Parallelogram Properties - Problem 1

##### Math›Geometry›Polygons
How to solve for variables when given the angles of a parallelogram in terms of those variables.
• #### Center and Apothem of Regular Polygons - Problem 1

##### Math›Geometry›Area
How to find the length of an apothem in a regular polygon given a side length and the number of sides.
• #### Trapezoid Properties - Concept

##### Math›Geometry›Polygons
How to identify a trapezoid and its special properties.
• #### Solving Proportions - Problem 1

##### Math›Geometry›Similarity
How to solve a proportion with a variable on both sides.
• #### Geometric Sequences - Problem 12

##### Math›Precalculus›Sequences and Series
Geometric means as the square root of the product of the terms on either side.
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• #### Similar Triangles - Concept

##### Math›Pre-Algebra›Introductory Geometry
Overview of similarity: congruent angles, proportional corresponding sides
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• #### Kite Properties - Concept

##### Math›Geometry›Polygons
How to identify a kite and its special properties.