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Geometry Vocab
Geometric Vocabulary Terms
| Definition | Word |
|---|---|
| a closed, curved shape in which all points on the shape are the same distance from the center | circle |
| the distance around a circle; the perimeter of a circle | circumference |
| the distance across a circle through its center | diameter |
| the distance from the center of a circle to a point on the circle | radius |
| a closed shape with straight sides | polygon |
| a quadrilateral that has two pairs of parallel sides | parallelogram |
| a quadrilateral that has four right angles | rectangle |
| a parallelogram with all four sides of equal length | rhombus |
| a parallelogram with four equal sides and four equal angles | square |
| a quadrilateral with no parallel sides | trapezium |
| a quadrilateral with exactly one pair of parallel sides | trapezoid |
| the distance around a closed, flat shape | perimeter |
| the number of the square units needed to cover a surface | area |
| a polygon with all equal sides and all equal angles | regular polygon |
| a polygon with four sides | quadrilateral |
| a polygon with eight sides | octagon |
| a polygon with three sides | triangle |
| a triangle with a right angle | right triangle |
| a triangle with an obtuse angle | obtuse triangle |
| a triangle with all acute angles | acute triangle |
| a triangle with sides of three different lengths | scalene triangle |
| a triangle with at least two sides the same length | isosceles triangle |
| a triangle with all three sides the same length | equilateral triangle |
| a polygon with six sides | hexagon |
| a polygon with five sides | pentagon |
Created by:
daiseymd
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