• #### Area of Trapezoids - Problem 2

##### Math›Geometry›Area
How to find the area of a trapezoid given the lengths of the four sides and the height of the trapezoid.
• #### Trapezoid Properties - Concept

##### Math›Geometry›Polygons
How to identify a trapezoid and its special properties.
• #### Area of Trapezoids - Concept

##### Math›Geometry›Area
How to derive the area of a trapezoid formula using the area of a rectangle.
• #### Trapezoid Properties - Problem 2

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

##### Math›Geometry›Polygons
How to define the midsegment of a trapezoid, calculate its length, and relate it to a triangle midsegment.
• #### Trapezoid Midsegment Properties - Problem 1

##### Math›Geometry›Polygons
How to find the length of a trapezoid midsegment and the angles created by the midsegment.
• #### Area of Trapezoids - Problem 3

##### Math›Geometry›Area
How to find the area of a trapezoid where the base lengths, one side, and two angles are given.
• #### 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 Arch and Panel Design Problem - Problem 2

##### Math›Geometry›Polygons
How to find the measures of a trapezoid in a five-block arch.
• #### 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 Arch and Panel Design Problem - Problem 1

##### Math›Geometry›Polygons
How to find the measures of a trapezoid in a 10-panel design.
• #### Area of Trapezoids - Problem 1

##### Math›Geometry›Area
How to find the length of a base in a triangle where the area, other base, and height are known.
• #### Trapezoid Arch and Panel Design Problem - Concept

##### Math›Geometry›Polygons
How to strategize about solving a problem with trapezoidal arches.
• #### Trapezoid Midsegment Properties - Problem 2

##### Math›Geometry›Polygons
How to find the length of the segments that divide the sides of a triangle into three congruent segments.
• #### Solving Formulas - Problem 1

##### Math›Geometry›Area
How to solve for one of the bases of a trapezoid in the trapezoid area formula.
• #### Volume of Pyramids - Problem 4

##### Math›Geometry›Volume
How to find the base of a trapezoid in a pyramid, given the volume.
• #### Volume of Prisms - Concept

##### Math›Geometry›Volume
How to find the volume of any prism, right or oblique using a general formula.
• #### Volume of Prisms - Problem 1

##### Math›Geometry›Volume
How to calculate the volume of a trapezoidal prism.
• #### Volume of Prisms - Problem 2

##### Math›Geometry›Volume
How to find the height of a triangular prism given the volume.
• #### Flowchart Proofs - Problem 1

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