Math Vocab 6
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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| protractor | a tool used to measure angles
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| acute angle | an angle less than 90 degrees
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| obtuse angle | an angle greater than 90 degrees
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| straight angle | an angle that measures 180 degrees
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| right angle | an angle equal to 90 degrees
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| center | the point inside a circle that is the same distance from all the points on the circle
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| chord | a segment whose endpoints lie on a circle
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| diameter | the distance across a circle through its center
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| radius | a line segment that has one endpoint on a circle and the other endpoint at the center of the circle
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| scalene triangle | a triangle with no equal sides
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| isosceles triangle | a triangle with two equal sides
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| equilateral triangles | all sides of the triangle are equal in length
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| acute triangle | a triangle with 3 acute angles
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| obtuse triangle | a triangle with exactly one obtuse angle
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| right triangle | a triangle with exactly one right angle, 90 degrees
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| hypotenuse | the side opposite the right angle in a right triangle
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| leg | the 2 sides of a triangle that form the right angle
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| line | an infinite amount of points that extend forever in two directions (symbol has an arrow on both ends)
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| line segment | a portion of a line that contains two endpoints (symbol is just a straight line)
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| ray | a part of a line that begins at a point and extends in one direction without end (symbol has an arrow on one end)
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| parallel lines | two lines that never intersect
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| perpendicular lines | two lines that intersect to form four right angles
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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:
dcs
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