2D Geometery

the distance around a circle

• parallelogram

• perimeter

• circumference

• diameter

the size of a two-dimensional surface (space inside)

• square

• area

• trapezoid

• circle

a quadrilateral with only one pair of parallel sides

• parallelogram

• trapezoid

• square

• rectangle

a quadrilateral with four right angles

• square

• parallelogram

• rectangle

• trapezoid

a quadrilateral which has 2 pairs of parallel sides

• rectangle

• trapezoid

• square

• parallelogram

the distance from the edge of the circle, through the center, to the other edge. It is twice the radius

• perimeter

• diameter

• circumference

• trapezoid

a figure that can be divided into two or more basic shapes

• composite figure

• circle

• parallelogram

• trapezoid

a round shape that has no beginning or end

• square

• rectangle

• circle

• triangle

a three-sided polygon

• circle

• perimeter

• triangle

• rectangle

the distance around a polygon

• circumference

• rectangle

• diameter

• perimeter