Sanders Geometry Wor
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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| Diagonal | a line that connects two vertices without redrawing a side.
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| Convex Angle | An angle that extends or points outward.
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| Supplementary Angle | Two angles that add up to 180 degrees.
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| Concave Angle | An angle that extends or points inward.
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| Complementary Angle | Two angles that add up to 90 degrees.
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| vertex | The common endpoint of 2 rays that form an angle.
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| degrees | The units that measure angles.
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| Regular Polygon | A polygon that has sides of equal length and angles of equal measure.
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| Straight Angle | An angle with a measure of 180 degrees.
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| Protractor | A tool used to measure and draw angles.
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| Polygon | A closed plane figure made up of line segments.
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| Quadrilateral | A polygon with four sides.
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| Hexagon | A polygon with six sides.
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| Equilateral Triangle | A triangle with sides equal in length.
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| Triangle | A polygon with three sides and angles that measure 180 degrees.
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| Pentagon | A polygon with five sides and angles that measure 540 degrees.
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| Octagon | A polygon with eight sides and angles that measure 1,080 degrees.
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| Scalene Triangle | A triangle with no sides equal in length.
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| Acute Triangle | All three angles of the triangle are acute angles.
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| Parallelogram | A quadrilateral with both sets of opposite sides parallel and equal in length.
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| Isosceles Triangle | A triangle with at least two sides of equal length.
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| Right Triangle | One angle of the triangle is a right angle.
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| Obtuse Triangle | One angle of the triangle is a an obtuse angle.
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| Trapezoid | A quadrilateral with only one pair of parallel sides.
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| Rectangle | A parallelogram with four right angles, but the sides are not all the same length.
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| Rhombus | A parallelogram with all sides the same length. (Can also be a square, but not ALWAYS)
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| Square | A quadrilateral with all sides the same length and always has four 90 degree angles. (Diagonals are perpendicular)
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| Plane | An endless flat surface.
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| Acute Angle | An angle with a measure between 0 and 90 degrees.
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| Obtuse Angle | An angle with a measure between 90 and 180 degrees.
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| Line Segment | A part of a line with two endpoints.
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| Angle | Formed by two rays with the same endpoint.
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| Right Angle | An angle with a measure of 90 degrees.
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| Parallel Lines | Lines that never ever, ever, ever touch.
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| Perpendicular Lines | Lines that meet at a 90 degree angle.
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| Intersecting Lines | Line that come together at the same point.
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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:
rsanders
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