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Math 604
Mathematics
18
Mathematics
5th Grade
06/08/2012

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Term
Reciprocal
Definition
is the special name given to an inverted fraction.
Term
Circle
Definition
is a continuous closed line always the same distance from a center point.
Term
Vertex
Definition
is the common end point of the angle.
Term
Right angle
Definition
is equal to 90 degrees.
Term
Acute angle
Definition
is less than 90 degrees.
Term
Obtuse angle
Definition
is more than 90 degrees.
Term
Protractor
Definition
an instrument used to measure angles to the exact degree.
Term
Equilateral triangle
Definition
has three equal sides and three equal angles.
Term
Isosceles triangle
Definition
has two equal sides and two equal angles.
Term
Scalene triangle
Definition
has no equal sides and no equal angles.
Term
Perimeter of a rectangle
Definition
P = 2L + 2W
Term
Area of a rectangle
Definition
A = LW
Term
Perimeter of a square
Definition
P = 4S
Term
Area of a square
Definition
A = S
Term
Perimeter of a triangle
Definition
P = S + S + S
Term
Area of a triangle
Definition
A = 1/2 BH
Term
Distance
Definition
D = RT
Term
Amount
Definition
A = RT
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