• #### Area of Parallelograms - Concept

##### Math›Geometry›Area
How to find the area of any parallelogram using rectangle area formulas.
• #### Area of a Segment - Concept

##### Math›Geometry›Area
How to derive the area of a segment formula.
• #### Area of Triangles - Concept

##### Math›Geometry›Area
How to derive the area of a triangle formula using the rectangle area formula.
• #### Surface Area of Prisms - Problem 2

##### Math›Geometry›Area
How to calculate the surface area of a triangular prism.
• #### Surface Area of Cones - Concept

##### Math›Geometry›Area
How to calculate the surface area of any cone explaining lateral surface area.
• #### Surface Area of Prisms - Problem 1

##### Math›Geometry›Area
How to calculate the surface area of a rectangular prism.
• #### Area of Circles - Concept

##### Math›Geometry›Area
How to derive the formula to calculate the area of a circle.
• #### Area of a Segment - Problem 2

##### Math›Geometry›Area
How to find the area of a segment, given a side in an equilateral triangle.
• #### Area of a Segment - Problem 1

##### Math›Geometry›Area
How to find the area of a segment, given a leg in a right triangle.
• #### Surface Area of Prisms - Concept

##### Math›Geometry›Area
How to calculate the surface area of any prism.
• #### Area of Trapezoids - Concept

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

##### Math›Geometry›Area
How to find the base length of a parallelogram given the area.
• #### Area of Circles - Problem 2

##### Math›Geometry›Area
How to find the circumference of a circle if the area is given.
• #### Area of Parallelograms - Problem 1

##### Math›Geometry›Area
How to calculate the area of a parallelogram, given the lengths of the sides and a height.
• #### Area of Parallelograms - Problem 4

##### Math›Geometry›Area
How to find the area of a rectangle, given the perimeter and one side.
• #### Area of Kites and Rhombuses - Concept

##### Math›Geometry›Area
How to derive the area formula of a kite based on the rectangle formula; how to calculate the area of a rectangle using diagonal lengths.
• #### Area of Triangles - Problem 2

##### Math›Geometry›Area
How to find an unknown variable, x, when the area is given and the base and height of a triangle is given in terms of x.
• #### Area of a Sector - Concept

##### Math›Geometry›Area
How to derive the formula to calculate the area of a sector in a circle.
• #### Area of Circles - Problem 1

##### Math›Geometry›Area
How to calculate the area of a circle if a diameter is given.
• #### Area of Circles - Problem 3

##### Math›Geometry›Area
How to calculate the area in a problem where a rope or leash is tied to an object.