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Area Of Triangles and Parallelograms

Area Of Triangles and Parallelograms

Theorem:

The area of a parallelogram is equal to the product of it base and
height.( A = bh)

Theorem:

The area of a triangle is the product of half the length of its base and
the length of the height.

Corollary:

The area of a rhombus equals half the product of its diagonals.
 ( A = ½ d1 d2 )

Theorem: The Area of Trapezoids:

The area of a trapezoid is equal to the product of half its height and

the sum of bases.
( A = ½ h( b1 + b2 ))

Subject: 
Geometry
Subject X2: 
Geometry

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