Chapter 6 Geometry Vocabulary
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Triangle | A polygon with three sides
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| Quadrilateral | A polygon with four sides
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| Pentagon | A polygon with five sides
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| Hexagon | A polygon with six sides
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| Heptagon | A polygon with seven sides
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| Octagon | A polygon with eight sides
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| Nonagon | A polygon with nine sides
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| Decagon | A polygon with ten sides
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| Diagonal | A segment that connects two non-adjacent vertices of a polygon
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| Legs | The nonparallel sides of a trapezoid
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| Bases | The parallel sides of a trapezoid
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| Trapezoid | A quadrilateral with only one pair of parallel sides
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| Vertex | The point where two sides of a polygon meet
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| Rectangle | A parallelogram with four right angles
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| Rhombus | A parallelogram with four congruent sides
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| Square | A polygon that is both a rhombus and a rectangle
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| Isosceles Trapezoid | A trapezoid with 2 congruent legs
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| Equilateral | A polygon with all congruent sides
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| Equiangular | A polygon with all congruent angles
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| Regular | A polygon with all congruent angles and sides
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| Concave | A polygon that is not convex; it appears to have a dent in it
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| Convex | A polygon where no line that contains a side of the polygon that passes through the interior of the polygon
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| Exterior angles of a polygon or Interior angles of a quadrilateral | 360 degrees
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| Interior angles of a triangle | 180 degrees
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| Interior angles of any polygon | (number of sides - 2) x 180
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| Polygon | A figure that is 1) flat 2) closed 3) formed by 3 or more straight sides
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| Side | A segment that form a polygon
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| Parallelogram | A quadrilateral formed by two pairs of parallel sides
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| Midsegment | A segment formed by connecting the midpoints of the legs of a trapezoid; it is parallel to the bases
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| Interior Angles | The angles on the inside of a polygon
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| Exterior Angles | The angles formed on the outside of a polygon by extending the sides of a polygons into rays
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| Base Angles | Angles formed between the base and leg of a trapezoid
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
HowardGeometry
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