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Vocab
Math terms
28
Mathematics
11th Grade
12/17/2012

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Term
arc
Definition
a part of a circumference of a circle or other curve
Term
major arc
Definition
the larger of two arcs formed when a circle is divided into two unequal parts 
Term
minor arc
Definition
an arc of a circle having mesured less than or equal to 180 degrees
Term
Chord
Definition
a geometric line segmet that endpoint bot lie on the circumfrence of the circle
Term
radius
Definition
any line segment from its center to its perimeter
Term
diameter
Definition
a straight line passing though the middle of a circle or sphere and meeting the cicumrfrenece or surface at each end
Term
circumference
Definition
the linear distance around the outside of a circle
Term
area
Definition
the total space taken up in an object
Term
semicircle
Definition
a two deminsional geometric shape that forms half of a circle
Term
hemisphere
Definition
half of a sphere
Term
tangent
Definition
making cantact at a single single end point or along a line
Term
secant
Definition
a line that intesect a circle at two points
Term
central angle
Definition
a angle having its vertex at the center of a circle
Term
inscribed angle
Definition
a angle that formed by two chords in a circle that have a common endpoint
Term
circle
Definition
a perfectly rounded object
Term
angle
Definition
a shape formed by two lines or rays meeting at a common end point
Term
centre
Definition
a point that is the same distance from all sides of the circle
Term
degree
Definition
a unit of angle mesure
Term
great circle
Definition
is the intersection of the sphere and a plane.
Term
pi
Definition
a numererical constant that represents the ratio of a circles circumference
Term
surface area
Definition
the total area of a circle
Term
volume
Definition
the amount of space enclosed by a shape or object
Term
vertex
Definition
a speacial kind of point that describes the points of a geometric shape
Term

sector area

 

Definition
a plane figure bounded by two radei and the included arc of the circle
Term
arc length
Definition
the distance along the arc
Term
sphere
Definition
is a perfectly rounded geometric object
Term
intercepted arc
Definition
the arc that is formed when a segement intersects a circle
Term
radian
Definition
the standard unit of an angle mesure
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