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Math Module
Geometry vocabulary: Grade 3
Question | Answer |
---|---|
parallelogram | a quadrilateral with opposite sides that are parallel and of equal length, and with opposite angles that are equal |
triangle | a polygon with three angles and three sides |
trapezoid | a quadrilateral shape with one pair of parallel sides |
square | a quadrilateral with four equal sides and four right angles and opposite sides that are parallel |
rectangle | a quadrilateral with four sides and two pairs of opposite equal parallel sides |
angle | the amount of turning between two lines at a common point |
acute angle | an angle measuring less than 90 degrees |
obtuse angle | any angle between 90 degrees and 180 degrees |
right angle | an angle measuring 90 degrees |
quadrilateral | a polygon with four straight sides |
polygon | a plane shape having three or more straight sides |
side | the line or curve on the edge of a shape joining its vertices |
vertex, vertices | point where surfaces meet; a corner |
face | flat surface of a three-dimensional shape |