Chapter 7 Geometry
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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| Adjacent Angles | Two angles that share a common side and have the same vertex.
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| Congruent Angles | Angles that have the same measure.
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| Vertical Angles | Opposite angles formed by the intersection of two lines. Vertical angles are congruent.
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| Complementary Angles | Two or more angles with a sum of 90 degrees.
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| Supplementary Angles | Two or more angles with a sum of 180 degrees.
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| Perpendicular Lines | Lines that intersect to form right angles.
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| Parallel Lines | Lines in the same plane that do not intersect.
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| Transversal | A line that intersect two or more lines.
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| Scalene Triangle | A triangle with no congruent lines.
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| Isosceles Triangle | A triangle with exactly two congruent sides.
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| Equilateral Triangle | A triangle in which all sides are congruent.
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| Acute Triangle | A triangle in which all angles are acute.
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| Obtuse Triangle | A triangle that has exactly one obtuse angle.
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| Right Triangle | A triangle that has exactly one right angle.
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| Parallelogram | A quadrilateral with two pairs of congruent parallel sides. Opposite angels are congruent.
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| Rectangle | A parallelogram with four right angels.
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| Rhombus | A parallelogram with four congruent sides.
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| Square | A parallelogram with four congruent sides and four congruent angels.
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| Kite | A quadrilateral with two pairs of congruent, adjacent sides. Opposite sides are not congruent.
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| Trapezoid | A quadrilateral with exactly one pair of parallel sides.
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| Scale Drawing | A proportional, two-dimensional object that accurately represents an actual object.
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| Scale Model | A proportional, three-dimensional object that accurately represents an actual object.
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| Scale | A ratio that compares the measurements of the drawing or model to the actual measurements of an object.
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| Scale Factor | A scale without units (A scale can be written without units when the units are the same.)
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| Acute Angle | An angle with a measurement less than 90 degrees.
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| Right Angle | An angle with a measurement of exactly 90 degrees.
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| Obtuse Angle | An angle with measurement greater than 90 degrees, but less than 180 degrees.
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| Straight Angle | An angle with a measure of exactly 180 degrees.
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| Point | An exact location. It is the building block of geometry.
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| Line | A series of points with no end.
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| Plane | A perfectly flat surface that extends infinitely in all directions.
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| Ray | Part of a line with only one endpoint that extends without end in one direction.
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| Line Segment | Part of a line or ray that extends from on endpoint to another.
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| Angle | Two rays with a common endpoint.
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| Vertex | The common endpoint of two rays that form an angle.
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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:
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