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The formula for finding the area of a trapezoid (BrEng: trapezium) A = 1/2 x B1 x B2 x H.
B1 is the length of the top of the trapezoid, B2 is the length of the base of the trapezoid and H is the height.

Area of trapezoids (video) | Khan Academy

www.khanacademy.org/math/basic-geo/basic-geo-area-and-perimeter/area-trap-composite/v/area-of-a-trapezoid-1

Area of a trapezoid is found with the formula, A=(a+b)/2 x h. Learn how to use the formula to find area of trapezoids.

Area of a Trapezoid - Math Goodies

www.mathgoodies.com/lessons/vol1/area_trapezoid.html

A trapezoid is a 4-sided figure with one pair of parallel sides. For example, in the diagram to the right, the bases are parallel. To find the area of a trapezoid, take ...

Area of a trapezoid. Definition and formula - Math Open Reference

www.mathopenref.com/trapezoidarea.html

Area of a trapezoid ("trapezium" in British usage). The number of square units it takes to completely fill a trapezoid. Formula: Average width × Altitude.

What is the Formula for the Area of a Trapezoid? | Virtual Nerd

www.virtualnerd.com/pre-algebra/perimeter-area-volume/perimeter-and-area/area/trapezoid-area-formula

Then, use the formula for the area of a parallelogram to figure out the formula for the ... half of a parallelogram; trapezoid; area; formula; base 1; base 2; height.

How Do You Find the Area of a Trapezoid? | Virtual Nerd

www.virtualnerd.com/pre-algebra/perimeter-area-volume/perimeter-and-area/area-formulas-examples/trapezoid-area-example

area; trapezoid; height; base one; base two; formula; plug in; trapezoid area ... Then, use the formula for the area of a parallelogram to figure out the formula for  ...

Area of a trapezoid Calculator - High accuracy calculation

keisan.casio.com/exec/system/1223273662

Calculates the area of a trapezoid given two parallel sides and the height.

How to Calculate the Area of a Trapezoid: 5 Steps (with Pictures)

www.wikihow.com/Calculate-the-Area-of-a-Trapezoid

How to Calculate the Area of a Trapezoid. A trapezoid (also known as a trapezium in British English) is a quadrilateral with two parallel sides of different lengths.

Math Video | Area of a Trapezoid | MathPlayground.com

www.mathplayground.com/howto_area_trapezoid.html

Math video teaches students how to find the area of a trapezoid.

How do you find the area of a trapezoid? | Reference.com

www.reference.com/math/area-trapezoid-a002ca81d6a17ae1

Calculate the area of a trapezoid by identifying the length of the two parallel bases and the height of the polygon. Then, use the formula A = a + b/2 (h), where "a" ...