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Chapter 10-11 Flash cards
flash cards about chap. ten and 11 vocab
15
Mathematics
9th Grade
12/15/2005

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Term
Diameter
Definition
a segment cting two points on a circle through the center point
Term
circumfrence
Definition
the distance around the circle
Term
Point of Tangency
Definition
The point where the tangent touches the circle.
Term
Tangent
Definition
A ray or line that touches the circle in exacty one point but never enters the circle
Term
secant
Definition
a ray or line that passes through the circle twice
Term
radius
Definition
segment from the center of a circle to the line of the circle
Term
chord
Definition
segment connecting 2 points on a circle
Term
concentric circles
Definition
circles with the same centerpoint
Term
minor arc
Definition
arc less than 180 degrees
Term
semicircle
Definition
arcs = 180
Term
central angle
Definition
angle formed by two radii
Term
congruent arcs
Definition
arcs with the same degree measure
Term
major arc
Definition
arc greater than 180 degrees
Term
arc
Definition
part of the circumfrence of a circle
Term
circle
Definition
set of all points equidistant from a given point in a plane
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