• #### Secants - Problem 4

##### Math›Geometry›Circles
How to fin the length of secant segments drawn from points outside a circle.
• #### Tangent Segments to a Circle - Concept

##### Math›Geometry›Circles
How to find the length of tangent segments drawn to a circle from the same point.
• #### Perimeter - Problem 1

##### Math›Geometry›Geometry Building Blocks
How to calculate the side length of a rectangle given the perimeter and a different side.
• #### Simplifying Radical Expressions - Problem 3

Simplifying radicals in the context of using the Pythagorean Theorem to find a missing side length of a right triangle.
Tags:
• #### Triangle Side Inequalities - Problem 2

##### Math›Geometry›Triangles
How to determine the range of possible values for the third side of a triangle when given values of the other two.
• #### Area of a Sector - Problem 3

##### Math›Geometry›Area
How to find the area of a sector given the arc measure and the length of the intercepted chord.
• #### Area of Regular Polygons - Problem 4

##### Math›Geometry›Area
How to find the area of a regular hexagon given only the length of the apothem.
• #### Corresponding Parts of Similar Triangles - Problem 1

##### Math›Geometry›Similarity
How to find the length of an angle bisector using similar triangles.
• #### Corresponding Parts of Similar Triangles - Problem 2

##### Math›Geometry›Similarity
How to find the length of an altitude using similar triangles.
• #### Similarity and Area Ratios - Problem 3

##### Math›Geometry›Similarity
How to find the area of similar triangles given one side length and one area.
• #### Corresponding Parts of Similar Triangles - Problem 3

##### Math›Geometry›Similarity
How to find the length of a median using similar triangles.
• #### Similarity and Area Ratios - Problem 1

##### Math›Geometry›Similarity
How to find the ratio of corresponding lengths given the ratio of areas between similar polygons.
• #### Area and Perimeter of Rectangles - Problem 1

##### Math›Pre-Algebra›Introductory Geometry
Finding the area and perimeter of parallelograms with integer side lengths
Tags:
• #### 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.
• #### Unit Vectors - Problem 2

##### Math›Precalculus›Vectors and Parametric Equations
How to find the unit vector that has the same direction as a given vector.
• #### RFLP - DNA Fingerprinting

##### Science›Biology›Molecular Biology
The RFLP method of DNA Fingerprinting.
• #### Similar Triangles - Problem 1

##### Math›Pre-Algebra›Introductory Geometry
Using proportionality to find the missing side length in similar figures
Tags:
• #### Trigonometric Ratios: Tangent - Problem 1

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

##### Math›Geometry›Area
How to calculate the surface area of a square pyramid, given the side length and height.
• #### Space Diagonals - Problem 1

##### Math›Trigonometry›Pythagorean Theorem
How to find the length of the longest object that will fit inside a box.