def Chapter #11
definitions
definitions
definitions
definitions
100
A chord that contains the center of the circle
What is radius
100
Circles that lie in the same plane,have the same center and have radii of different lengths
What is concentric circles
100
An arc whose endpoints are on the diameter of a circle
What is semicircle
100
A segment drawn from the center perpendicular to a side of a regular polygon
What is Apothem
100
In any convex polygon, the sum of the measures of the exterior angles is
What is 360
200
Distance around a circle
What is circumference
200
the ratio of the circumference of a circle to its diameter
What is Pi
200
the part of the circle in the exterior of the central angle
What is A major arc
200
When two or more regular polygons are used in the same order at every vertex
What is semi regular tessellation
200
If any part of a diagonals lies outside of the figure, then the polygon is
What is concave
300
Segment whose endpoint are on the circle
What is chord
300
An angle whose vertex is at the center of the circle and whose sides intersect the circle
What is A central angle
300
Probability calculated by repeating events
What is experimental probability
300
A point in the interior of a regular polygon that is equidistant from all the vertices
What is center
300
The segment in the trapezoid that joins the midpoints of its legs
What is median
400
The diagonals of this figure are perpendicular
What is Rhombus
400
The diagonal of this quadrilateral are congruent
What is rectangle
400
A segment with one endpoint at a vertex and the other endpoint on the side opposite that vertex
What is altitude
400
The medians of a triangle intersect at a common point
What is centroid
400
A segment that joins a vertex of the triangle and the midpoint of the side opposite that vertex
What is median
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