An equation that show a relation amoung certain quantities
A quadrilateral with one pair of parallel sides
The shortest distance form the base of a parallelogram to its opposite side
Any side of a parallelogram
The distance around a closed geometric figure
The number of square units needed to cover a surface enclosed by a gerometric figure
perimeter of a rectangle
Area of a trapezoid
A= 1/2 h(b1+b2)
Area of a triangle
A+ 1/2 bh
Area of a parallelogram
Area of a rectangle
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