unit 4
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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| A part of a line with one endpoint and extends forever | ray
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| a figure formed from to lines or rays together. | angle
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| a straight path that goes on forever in both directions | line
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| lines, line segments, rays are perpendicular if they form right angles | perpendicular
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| the same distant apart at every point | parallel
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| lines that are not parallel or perpendicular | obligue
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| to cut or divide by passing through or across | intersect
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| a tool that measures angles | protractor
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| a unit for measuring angles | degree
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| a ninety degree angle | right angle
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| a 180 degree angle | straight angle
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| angles having a sum of 180 degrees | supplementary angles
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| angles having a sum of 90 degrees | complimentary angles
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| when 2 lines intersect they form these | opposite angle
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| pairs of opposite formed by intersecting lines are called these | vertical angle
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| a closed shape with no curved sides | polygon
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| the exact same shape and size | congruent
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| a triangle with 2 congruent sides | isosceles triangle
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| a triangle with the exact same sides | equilateral triangle
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| a triangle with all different sides | scalene triangle
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| a triangle with three acute angles | acute triangle
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| a triangle with one right angle | right triangle
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| a triangle with one obtuse angle | obtuse triangle
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| trapezoid with at least | right trapezoid
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| a plane figure that forms a closed path so that every spot is the same distance from the center | circle
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| reflex angle a angle greater than 180 degrees
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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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