Definition of terms
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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Chord | A segment whose endpoints lie on a circle
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Diameter | A chord that contains the center of a circle
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Secant of a circle | A line that contains a chord
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Tangent to a Circle | A line that lies in the plane of a circle and that intersects the circle at exactly one point (point of tangency)
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Circle | The set of all points in a plane at a given distance from a given point in the plane
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Radius | A segment from a point on a cricle or a sphere to the center
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Congruent Circles | Circles with the same radius
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concentric Circles | Circles that lie in the same plane that share the same center
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Inscribed Angle | Angle whose vertex lies on a circle and whose sides contain chords of the circle
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Central Angle | Angle whose vertex is the center of a circle and whose sides contain radii of the circle
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Circumference | Distance around a circle, that is, the perimeter of a circle.
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Arc length | A fraction of the circumference of a circle defined by the arc.
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Arc of a Circle | Two points o na circle and the continuous part of the circle between the two points
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Semicircle | An arc of a circle whose endpoints are the endpoints of a diameter
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Minor Arc | An arc of circle whose lenght is less than the length of a semicircle of the circle
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Major Arc | An arc of a circle whose lenght is greater then the lenght of a semicircle of the circle
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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:
marijose.moreno
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