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angles
angles & definitions
15
Mathematics
Not Applicable
11/28/2005

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Term
acute angle
Definition
an angle whose measure is greater than 0 but less than 90!
Term
obtuse angle
Definition
an angle whose measure is greater than 90 but less than 180!
Term
right angle
Definition
an angle whose measure is always 90!
Term
straight
Definition
an angle whose measure is 180!
Term
complementary angles
Definition
two angles that are combined to make 90 degrees!
Term
supplementary angles
Definition
two angles combined to make 180 degrees!
Term
trapezoid
Definition
a quadrilateral with one pair of parallel sides!
Term
quadrilateral
Definition
a four sided polygon!
Term
parallelogram
Definition
a quadrilateral whose opposite sides are parallel & congruent!
Term
square
Definition
a rectangle with four congruent sides!
Term
rectangle
Definition
a parallelogram with four right angles!
Term
rhombus
Definition
a parallelogram whose four sides are congruent and whose opposite angles are congruent!
Term
hexagon
Definition
a six sided polygon!
Term
scalene triangle
Definition
a triangle with no congruent sides!
Term
isosceles triangle
Definition
a triangle with two congruent angles!
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