• #### Area of Kites and Rhombuses - Problem 1

##### Math›Geometry›Area
How to calculate the area of a kite given the lengths of the four sides and the diagonals.
• #### Surface Area of Joined Solids - Problem 1

##### Math›Geometry›Area
How to calculate the surface area of a cylinder joined to a cone.
• #### Area of Kites and Rhombuses - Problem 3

##### Math›Geometry›Area
How to calculate the area of a rhombus given the length of half of the diagonals.
• #### Area of Kites and Rhombuses - Problem 2

##### Math›Geometry›Area
How to find the length of a diagonal in a kite given the area and the length of the other diagonal.
• #### Area of an Annulus - Concept

##### Math›Geometry›Area
How to derive the formula for the area of an annulus.
• #### 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 2

##### Math›Geometry›Area
How to find the length of an apothem in a regular polygon given the area 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 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.
• #### Area of an Annulus - Problem 2

##### Math›Geometry›Area
How to calculate the area between two circles, given the radius of the smaller circle and the distance between the circles.
• #### Area of an Annulus - Problem 1

##### Math›Geometry›Area
How to calculate the area between two circles, given the radius of the smaller circle and the distance between the circles.
• #### Area of an Annulus - Problem 3

##### Math›Geometry›Area
How to find the distance between two circles given the area of the annulus and the radius of the smaller circle.
• #### Solving Formulas - Concept

##### Math›Geometry›Area
How to strategize about solving formulas for variables; how to solve the area of a rectangle formula for base and height; how to solve the area of a triangle formula for base and for height.
• #### Solving Formulas - Problem 2

##### Math›Geometry›Area
How to solve the area of a sector formula for the radius.
• #### Solving Formulas - Problem 1

##### Math›Geometry›Area
How to solve for one of the bases of a trapezoid in the trapezoid area formula.
• #### Solving Formulas - Problem 3

##### Math›Geometry›Area
How to solve the area of a regular polygon formula for the side length.

• #### Definite Integrals and Area - Problem 3

##### Math›Calculus›The Definite Integral
How to find the area between two curves.
• #### Similarity and Area Ratios - Problem 3

##### Math›Geometry›Similarity
How to find the area of similar triangles given one side length and one area.
• #### Definite Integrals and Area - Problem 1

##### Math›Calculus›The Definite Integral
How to find the area bounded between a curve and an x-axis.