# area parallelogram   47 videos

• #### Area of Parallelograms

##### GeometryArea

How to find the area of any parallelogram using rectangle area formulas.

area of rectangles base times height
• #### Area With Determinants

##### PrecalculusSystems of Linear Equations and Matrices

How to compute the area of a parallelogram using a determinant.

parallelogram vectors determinant area
• #### Area of Trapezoids

##### GeometryArea

How to derive the area of a trapezoid formula using the area of a rectangle.

trapezoid parallelogram base height
• #### Area of Triangles

##### GeometryArea

How to derive the area of a triangle formula using the rectangle area formula.

area triangles rectangles altitude
• #### Area of a Segment

##### GeometryArea

How to derive the area of a segment formula.

segment sector triangle area radius central angle shaded area
• #### Area With the Cross Product

##### PrecalculusSystems of Linear Equations and Matrices

How to show that the magnitude of the cross product of two vectors gives the area of the parallelogram determined by those two vectors.

cross product magnitude of vectors dot product angle between vectors area parallelogram
• #### Area of Circles

##### GeometryArea

How to derive the formula to calculate the area of a circle.

circle radius circumference area
• #### Parallelogram Properties

##### GeometryPolygons

How to identify all of the special properties of parallelograms and use them to solve problems.

opposite sides parallel opposite angles same side interior angles diagonals bisect consecutive angles rhombus rectangle square
• #### Area and Perimeter of Rectangles

##### Pre-AlgebraIntroductory Geometry

Overview of area and perimeter formulas for parallelograms and rectangles

• #### Surface Area of Cylinders

##### GeometryArea

How to prove the surface area of a cylinder formula.

circle lateral area circumference
• #### Surface Area of Spheres

##### GeometryVolume

How to calculate the surface area of a sphere given a radius.

sphere surface area radius
• #### Definite Integrals and Area

##### CalculusThe Definite Integral

How to use definite integrals to find the area between a curve or under a curve.

definite integral area problems area between curves
• #### Surface Area of Cones

##### GeometryArea

How to calculate the surface area of any cone explaining lateral surface area.

cone circle circumference lateral area lateral edge
• #### Surface Area of Prisms

##### GeometryArea

How to calculate the surface area of any prism.

prism 3d bases lateral faces lateral area surface area
• #### Area of a Sector

##### GeometryArea

How to derive the formula to calculate the area of a sector in a circle.

sector central angle intercepted arc circle radius area
• #### Similarity and Area Ratios

##### GeometrySimilarity

How to convert between length and area ratios of similar polygons

polygons similar area ratios
• #### Multiplying Polynomials using Area Models

##### AlgebraPolynomials

How to relate area of rectangles to multiplying polynomials.

area binomial trinomial distributing
• #### Surface Area of Joined Solids

##### GeometryArea

How to calculate the surface area of a cylinder joined to a cone.

joined solid cone cylinder lateral area circle
• #### Surface Area of Pyramids

##### GeometryArea

How to calculate the surface area of any pyramid, emphasizing regular polygons as bases.

regular polygon lateral area apothem
• #### Using Sine to Calculate the Area of a Triangle

##### GeometryBasic Trigonometry

How to calculate the area of any triangle using two sides and an included angle.

area of a triangle sine
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