How can we help?

You can also find more resources in our Help Center.

An equation that show a relation amoung certain quantities

formula

A quadrilateral with one pair of parallel sides

trapezoid

The shortest distance form the base of a parallelogram to its opposite side

height

Any side of a parallelogram

base

The distance around a closed geometric figure

perimeter

The number of square units needed to cover a surface enclosed by a gerometric figure

area

perimeter of a rectangle

p= 2L+2W

Area of a trapezoid

A= 1/2 h(b1+b2)

Area of a triangle

A+ 1/2 bh

Area of a parallelogram

A= bh

Area of a rectangle

A= lw