• #### Trapezoid Properties - Problem 2

##### Math›Geometry›Polygons
How to find all the angles in an isosceles trapezoid, given one angle.
• #### Trapezoid Properties - Problem 1

##### Math›Geometry›Polygons
How to find the measure of all of the angles in an isosceles trapezoid, given one of the upper angles.
• #### Trapezoid Properties - Problem 3

##### Math›Geometry›Polygons
How to find the length of a side in an isosceles trapezoid given its side lengths in terms of variables and its perimeter.
• #### Trapezoid Properties - Concept

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

##### Math›Geometry›Polygons
How to find the measures of a trapezoid in a 10-panel design.
• #### Trapezoid Arch and Panel Design Problem - Concept

##### Math›Geometry›Polygons
How to strategize about solving a problem with trapezoidal arches.
• #### Flowchart Proofs - Problem 1

##### Math›Geometry›Triangles
How to prove that two segments are congruent in a trapezoid with diagonals.