Terrell-GEOMETRY: Terms from the Intro to Geometry Unit (May)
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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| POINT | A location in space. | (picture needed)
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| LINE | A series of points that continues in two directions and never ends. | (picture needed)
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| RAY | A part of a line that has one endpoint and continues in one direction without ending. | (picture needed)
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| LINE SEGMENT | A part of a line that has two definite endpoints. | (picture needed)
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| PLANE | A flat surface that continues in all directions without end. | (picture needed) or real-life examples: sheet of paper, floor, ceiling, wall, etc.
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| COLLINEAR | The condition where two or more points lie in a line. | (picture needed)
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| PARALLEL | The condition where two or more figures lie alongside each other and never intersect. | (picture needed)
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| ANGLE | A figure formed by two rays or line segments that begin at the same point. | (picture needed)
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| VERTEX | The common endpoint of two or more rays or line segments. | (picture needed)
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| ACUTE ANGLE | An angle whose measure is between 0 and 90 degrees. | (picture needed) or list an angle and its measure: angle ABC is 30 degrees, therefore it is an acute angle
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| RIGHT ANGLE | An angle whose measure is exactly 90 degrees. | (picture needed) or list an angle and its measure: angle ABC is 90 degrees, therefore it is a right angle
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| OBTUSE ANGLE | An angle whose measure is between 90 and 180 degrees. | (picture needed) or list an angle and its measure: angle ABC is 137 degrees, therefore it is a obtuse angle
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| STRAIGHT ANGLE | An angle whose measure is exactly 180 degrees. | (picture needed) or list an angle and its measure: angle ABC is 180 degrees, therefore it is a straight angle
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| PERPENDICULAR | The condition where two figures intersect at a right angle. | (picture needed) or list an example: line AB is perpendicular to line CD, because they intersect at a right angle
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| CONGRUENT | Having the same length or measure. | (picture needed) or list an example: segments AB and CD are congruent, because AB = 5 inches and CD = 5 inches
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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:
terrellmath
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