Geometry Vocabulary

Front

Any closed two-dimensional figure with at least three straight sides

Back

polygon

Tags

CCSS.2.G.A.1

Front

Two-dimensional shape that is NOT classified as a polygon: circle, square, trapezoid, rhombus

Back

circle

Tags

CCSS.2.G.A.1

Front

Any polygon with four sides, angles, vertices

Back

quadrilateral

Tags

CCSS.2.G.A.1

Front

Any polygon with five sides, angles, vertices

Back

pentagon

Tags

CCSS.2.G.A.1

Front

Any polygon with six sides, angles, vertices

Back

hexagon

Tags

CCSS.2.G.A.1

Front

Any polygon with eight sides, angles, vertices

Back

octagon

Tags

CCSS.2.G.A.1

Front

Triangle with all angles same length and all angles same size

Back

equilateral

Tags

CCSS.4.G.A.2

Front

Triangle with one angle larger than 90 degrees

Back

obtuse

Tags

CCSS.4.G.A.2

Front

Triangle with all angles less than 90 degrees

Back

acute

Tags

CCSS.4.G.A.2

Front

Same size, same shape

Back

congruent

Tags

CCSS.8.G.A.2