Big Ideas Geometry Chapter 7 Polygons

A closed geometric figure made up of at least three lines segments, or sides

• Rhombus

• Polygon

• Trapezoid

A special quadrilateral with both pairs of opposite sides parallel

• Diagonal

• Polygon

• Parallelogram

a parallelogram with four right angles

• Trapezoid

• Polygon

• Rectangle

a parallelogram with four congruent sides

• Rhombus

• Square

• Rectangle

A parallelogram with four right angles and four congruent sides

• Rhombus

• Rectangle

• Square

a line segment that connects one vertex to an opposite vertex

• Rhombus

• Diagonal

• Rectangle

a quadrilateral with only one pair of parallel sides

• Trapezoid

• Diagonal

• Rhombus

a special trapezoid with congruent legs; each pair of base angles is congruent

• square

• Isosceles trapezoid

• regular polygon

a polygon that has all congruent sides and all congruent angles

• regular polygon

• isosceles trapezoid

• trapezoid