Geometry Vocabulary: Polygons and Triangles

A set of geometry vocabulary flashcards covering various triangles, quadrilaterals, and regular polygons based on lesson resources.

Trapezoid

A quadriateral with ohe pair of parren sides.

Quadrilateral

A flat closed shape with four straight sides, four angles, and four vertices (cornous).

Scalene

A term describing something with unequal sides or angles.

Rhombus

A geometric four-sided shape (quadrilateral) where all four sides are equal in lengths.

Kite

A quadrilateral with two pairs of equal-length sides that sit next to each other.

Regular Pentagon

A five sided geometric shape where all sides are equal in length.

Regular Hexagon

A six sided polygon where all sides are equal in length and interior mesuares $120^\circ$.

Isosceles Trapezoid

A four sided shape with one pair of parrell sides called bases and other non parrell sides equal.

Right Trapezoid

A four sided shape with one pair of parrell sides (bases) and at least 2 right angles $90^\circ$.

Equilateral Triangle

A triangle where all sides are equal and all angles are equal to $60^\circ$.

Isosceles Triangle

A triangle with two equal sides and two equal angles.

Scalene Triangle

A 3 sided shape where all three sides have diffrent lengths.

Scalene Right Triangle

A triangle with one $90^\circ$ right angle and three sides of completely diffrent lengths.

Isosceles Right Triangle

A $45^\circ-45^\circ-90^\circ$ triangle with one $90^\circ$ angle and two equal sides.

Square

A shape with four equal length sides and four equal right angles measuring $90^\circ$ each.

Rectangle

A quadrilateral with four right angles where opposite sides are parallel and have the same length. Has reflection and $180^\circ$ rotation symmetry.

Parallelogram

A flat four sided shape where pairs of opposite sides are parrell and equal to length.