All about Angles!
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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| ray | has one endpoint
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| angle | has 2 rays that share the same endpoint
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| vertex | the shared endpoint of the rays
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| point | an exact location in space
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| degree | the unit of measure for angles
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| one-degree angle | an angle that turns through 1/360
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| right angle | an angle that turns through 90/360 or 1/4 of a circle
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| straight angle | an angel that turns through 180/360 or 1/2 of a circle. it measure 180 degrees
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| acute angle | measure between 0 and 90
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| prependicular | like the sides of a square or rectangle
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| obtuse angle | measures between 90 and 180
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| protractor | tool used to measure angle
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| line | endless collection of points along a straight line
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| line segement | part of a line that has two endpoints
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| parallel lines | lines that never meet or cross
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| perpendicular lines | lines that meet, or cross to form a right 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.
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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:
mourlota
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