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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| circle | The set of all points in an plane that are equidistant from a given point, called the center of the circle
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| center | Given point in the middle of circle
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| radius | The distance from the center of a circle to a point on the circle
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| diameter | A chord that passes thru the center of a circle. The distance across the circle.
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| chord | A segment whose end points are points on the circle
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| secant | A segment that intersects a circle in two points, with one point as an endpoint of the segment.
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| tangent | A line in the plane of a circle that intersects the circle in exactly one point
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| concentric | Coplanar circles that have a common center
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| central angle | An angle whose vertex is center or the circle
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| inscribed angle | An angle whose vertex is on a circle and whose sides contain chords of the circle
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| minor arc | An arc that is less that 180
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| major arc | An arc that is more than 180
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| semicircle | When the endpoints of an arc are the endpoints of a diameter
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| intercepted arc | The arc that lies in the interior of an inscribed angle and has endpoints on the angle
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| inscribed | If all the vertices of a polygon lie on a circle
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| circumscribed | A circle with an inscribed polygon
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| equidistant | Equal distance
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| apothem | The height of a triangle between the center and two consecutive vertices of the polygon
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| circumference | The distance around a circle
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| arc length | Portion of the circumference of a circle
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| area | Equals Pie R squared
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| sector | The region bounded by the two radii of the circle and their intercepted arc
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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:
karenroeder
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