• Triangle Side and Angle Inequalities - Problem 2

Math›Geometry›Triangles
How to list the sides of a triangle from longest to shortest given the measures of the interior angles.
• Parallelogram Properties - Problem 2

Math›Geometry›Polygons
How to find the perimeter of a parallelogram when the sides are given in terms of a variable.
• Constructing Parallel Lines - Problem 3

Math›Geometry›Constructions
How to construct parallel lines using alternate exterior angles.
• Triangle Side and Angle Inequalities - Problem 3

Math›Geometry›Triangles
How to list the sides of adjacent triangles from shortest to longest given the measures of some interior angles.
• 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.
• Parallelogram Properties - Problem 1

Math›Geometry›Polygons
How to solve for variables when given the angles of a parallelogram in terms of those variables.
• Converse of Parallel Lines Theorem - Problem 1

Math›Precalculus›Equations of Lines, Parabolas and Circles
How to solve for a variable of alternating interior angles to make lines parallel.
• Trapezoid Arch and Panel Design Problem - Problem 1

Math›Geometry›Polygons
How to find the measures of a trapezoid in a 10-panel design.
• Cyclic Quadrilaterals and Parallel Lines in Circles - Problem 2

Math›Geometry›Circles
How to calculate the measure of an arc created by a cyclic parallelogram.
• Cyclic Quadrilaterals and Parallel Lines in Circles - Problem 1

Math›Geometry›Circles
How to calculate angles in a cyclic quadrilateral given arc measures and two angle measures.
• Cyclic Quadrilaterals and Parallel Lines in Circles - Concept

Math›Geometry›Circles
How to prove that opposite angles in a cyclic quadrilateral are congruent; how to prove that parallel lines create congruent arcs in a circle.