49097 - Circle 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 | segment with endpoints on the circle
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| circle | set of points in a plane that are equidistant to a given point
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| radius | segment with one endpoint on center of circle and one endpoint on circle
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| diameter | a chord that passes through the center of the circle
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| tangent | line that intersects the circle at one point
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| minor arc | an arc smaller than a semicircle
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| semicircle | an arc that measures 180 degrees
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| arc | part of a circle
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| major arc | an arc greater than a semicircle
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| congruent circles | circles with the same sized radius
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| concentric circles | non-congruent circles that share the same center
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| central angle | angle that has its vertex at the center of the circle
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| inscribed circle | angle that has its vertex on the circle and its sides are chords
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| CHORD CENTRAL ANGLES CONJECTURE | If two chords in a circle are congruent, then they determine two central angles that are congruent.
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| CHORD ARCS CONJECTURE | If two chords in a circle are congruent, then their intercepted arcs are congruent.
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| PERPENDICULAR TO A CHORD CONJECTURE | The perpendicular from the center of a circle to a chord is the bisector of the chord.
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| CHORD DISTANCE TO CENTER CONJECTURE | Two congruent chords in a circle are equididstant from the center of the circle.
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| PERPENDICULAR BISECTOR OF A CHORD CONJECTURE | The perpendicular bisector of a chord passes through the center of the circle.
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| TANGENT CONJECTURE | A tangent to a circle is perpendicular to the radius drawn to the point of tangency.
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| TANGENT SEGMENTS CONJECTURE | Tangent segments to a circle from a point outside the circle are congruent.
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| tangent circles | circles that are tangent to the same line at the same point
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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:
lbosel
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