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circles quiz
Stack #2701777
| Question | Answer |
|---|---|
| is an angle whose vertex is the center of a circle | central angle |
| an unbroken part of a circle consisting of two points called the endpoints and all the points on the circle between them | arch |
| an arc whose points are on or in the interior of a center angle | minor arc |
| an arc whose points are on or in the exterior of a central angle | major angle |
| arc with endpoints on the diameter | semi circle |
| arcs of the same circle that intersect at exactly one point | adjacent arcs |
| an arc formed by two adjacent arcs is the sum of the measures of two arcs | arc addiction |
| two circles are ______ if and only if they have congruent radii | congruent |
| _____ circles are coplanar circles with the same center | concentric |
| two coplanar circles that intersect at exactly one point | tangent circles |
| a _____ tangent is a line that is tangent to two circles | common |
| where the tangent line intersects or touches the circle | point of tangency |
| the set of all points in a plane that are equidistant from a fixed point called the center | circle |
| a segment whose endpoints are the center of a circle and a point ON the circle | radius |
| a segment whose endpoints are 2 points ON a circle | chord |
| a line that intersects a circle in 2 points | secant |
| a chord that passes through the center of a circle | diameter |
| a line that intersects a circle in exactly one point | tangent |
| circles with the same center | concentric circles |
| have the same radii | congruent circles |
| a polygon is ______ inscribed in a circle if itâs sides are chords of the circle | inscribed |
| a polygon is _________ about a circle of its sides are tangent to the circle | circumscribed |
| an angle whose vertex is a point ON a circle and whose sides contain chords | inscribed angle |