• Number of Diagonals in a Polygon - Problem 1

Math›Geometry›Reasoning, Diagonals, Angles and Parallel Lines
How to determine the number of diagonals in a polygon when you know the number of sides.
• 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.
• Area of Regular Polygons - Concept

Math›Geometry›Area
How to derive the formula to calculate the area of a regular polygon.
• Number of Diagonals in a Polygon - Problem 2

Math›Geometry›Reasoning, Diagonals, Angles and Parallel Lines
How to determine the number of sides in a polygon when you know the number of diagonals.
• Area of Regular Polygons - Problem 1

Math›Geometry›Area
How to calculate the area of a regular polygon, given the length of the apothem and side length.
• Area of Regular Polygons - Problem 3

Math›Geometry›Area
How to calculate the perimeter of a regular polygon given the area and apothem length.
• Area of Regular Polygons - Problem 2

Math›Geometry›Area
How to find the length of an apothem in a regular polygon given the area and side length.
• Properties of Similar Polygons - Concept

Math›Geometry›Similarity
How to identify if two figures are similar.
• Properties of Similar Polygons - Problem 2

Math›Geometry›Similarity
How to find missing sides of similar triangles that share a side.
• Properties of Similar Polygons - Problem 1

Math›Geometry›Similarity
How to identify if two quadrilaterals are similar, given three angles and four sides.
• 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.
• Rectangle and Square Properties - Concept

Math›Geometry›Polygons
How to define a rectangle and a square.
• Rectangle and Square Properties - Problem 1

Math›Geometry›Polygons
How to find the angles in a square created by drawing diagonals, and finding the lengths of those diagonals.
• Trapezoid Arch and Panel Design Problem - Problem 2

Math›Geometry›Polygons
How to find the measures of a trapezoid in a five-block arch.
• Trapezoid Arch and Panel Design Problem - Concept

Math›Geometry›Polygons
How to strategize about solving a problem with trapezoidal arches.
• Rectangle and Square Properties - Problem 2

Math›Geometry›Polygons
How to find the point of intersection of the diagonals of a rectangle in a coordinate plane.
• Trapezoid Arch and Panel Design Problem - Problem 1

Math›Geometry›Polygons
How to find the measures of a trapezoid in a 10-panel design.
• Trapezoid Properties - Concept

Math›Geometry›Polygons
How to identify a trapezoid and its special properties.
• Trapezoid Properties - Problem 2

Math›Geometry›Polygons
How to find all the angles in an isosceles trapezoid, given one angle.
• Rhombus Properties - Problem 2

Math›Geometry›Polygons
How to find the length of diagonals and angles in a rhombus.