Lessons 7-1 to 7-4 Polygons and Area Flashcards

Front

polygon

Back

two-dimensional figure enclosed by line segments as sides

Front

quadrilateral

Back

polygon having four sides

Front

parallelogram

Back

quadrilateral having two pairs of congruent parallel sides

Front

rectangle

Back

parallelogram having four right angles but not necessarily four congruent sides

Front

rhombus

Back

parallelogram having four congruent sides but not necessarily four congruent angles

Front

square

Back

parallelogram having four right angles and four congruent sides

Front

trapezoid

Back

quadrilateral having exactly one pair of parallel sides

Front

kite

Back

quadrilateral having two pairs of adjacent congruent sides

Front

area

Back

number of square units that cover a two-dimensional plane figure

Front

parallel

Back

lines that never intersect