circle words
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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| center point | The very middle of the circle, labeled with a dot
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| circumference | the distance around the outside of a circle. Can be found by taking the diameter times pi
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| concentric circles | circle within a circle that all share a common center
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| central angle | an angle whose vertex is the center point and its sides are radii
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| radius | a segment that starts anywhere on the circle and ends at the center point. It is half of the diameter
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| diameter | a chord that passes through the center point
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| chord | a segment that passes through the circle and its endpoints are on the circle
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| sector | a part inside the circle bound by 2 radii and an arc
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| arc | part of the circumference of the circle
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| inscribed angle | an angle whose vertex is on the circle and the sides are chords in the circle
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| inscribed polygon | a polygon inside of a circle whose vertices are on the circle
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| semi circle | half of a circle, bound by an arc and the diameter
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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:
sfuehrer
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