NSA Geometry Chapter 1
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, line, plane | undefined terms
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| collinear | points on the same line are said to be this
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| coplanar | points that lie on the same plane are said to be this
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| line segment | portion of a line with two endpoints
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| congruent segments | segments with the same measure
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| midpoint | point that divides a segment into two congruent segments
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| segment bisector | any segment, line, or plane that intersects a segment at its midpoint
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| degree | unit of measure for an angle
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| ray | part of a line with one endpoint extending indefinitely in one direction
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| opposite rays | two rays that have a common endpoint and form a line
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| angle | formed by two non-collinear rays that have a common endpoint
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| vertex | common endpoint shared by two rays that form an angle
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| right angle | measures 90 degrees
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| acute angle | measures less than 90 degrees
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| obtuse angle | measures between 90 and 180 degrees
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| congruent angles | angles with the same measure
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| angle bisector | ray that divides an angle into two equal angles
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| adjacent angles | two angles in the same plane that share a common vertex and a common side, but no common interior points
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| vertical angles | two nonadjacent angles formed by intersecting lines
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| linear pair | adjacent angles whose non-common sides are opposite rays
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| complementary angles | two angles whose measures have a sum of 90 degrees
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| supplementary angles | two angles whose measures have a sum of 180 degrees
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| perpendicular | lines that form right angles are said to be this
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| point | names a location in space and has no size
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| perimeter | sum of the lengths of the sides of a figure
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| line | a straight path that has no thickness and extends forever
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| plane | a flat surface that has no thickness and extends forever
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| endpoint | a point at one end of a segment or ray
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| diameter | segment that passes through the center of a circle and whose endpoints are on the circle
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| radius | segment whose endpoints are the center of the circle and any point on the circle
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| circumference | distance around a circle
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| pi | irrational number which is the ratio of the circumference and diameter of a circle
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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:
jandslm
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