unit 4 math
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 that has one endpoint and extends without end in one direction | Ray
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| a figure formed by two rays | Angle
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| a straight path that goes on forever | Line
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| lines,line segments,or rays that are 90 degrees | Perpendicular
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| the same distance apart at every point | parallel
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| lines that are not parallel or perpendicular | Oblique lines
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| to cut or divide by passing through or across | Intersect
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| a tool used to measure angles | Protractor
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| a unit for measuring angles or temperature | Degree
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| an angle that measures 90 degrees | Right angle
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| an angle of 180 dgrees | 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 | Complementary angles
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| when two angles intersect they form these angles | Opposite angle
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| pairs of opposite angles formed by intersecting lines | Vertical angle
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| A closed plane figure with sides made of straight line segment | Polygon
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| same size same shape | Congruent
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| a triangle with two congruent sides | Isosceles triangle
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| a triangle with all congruent sides | Equilateral triangle
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| a triangle with no congruent sides | Scalene triangle
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| a triangle with three acute angles | Acute triangle
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| a triangle with one obtuse angle | Obtuse triangle
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| a triangle with one right angle | Right triangle
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| a trapezoid with at least one right angle | Right trapezoid
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| a plane figure that forms a closed path so that all the points on the path are the same distance from a point called the center | circle
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| an angle greater than 180 degrees | reflex 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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