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18 Cards in this Set

  • Front
  • Back
triangle with no sides of equal length
scalene triangle
parallelogram with four right angles
rectangle
special name for any polygon with all sides having equal length AND all angles having equal measure
regular polygon
special name for any polygon with all angles having the same measure
equiangular polygon
number of degrees in a straight angle
180
a triangle with at least 2 sides of equal length
isosceles triangle
number of degrees in a right angle
90
number of degrees in an obtuse angle
between 90 and 180
special name for any polygon will all sides having equal length
equilateral polygon
number of degrees in an acute angle
less than 90
In any triangle with two equal angles, what it true about the sides opposite those equal angles?
They are of equal length.
When you add the measures of the three angles of any triangle, the sum is always _______ degrees.
180
quadrilateral with exactly two parallel sides
trapezoid
In any triangle with two equal sides, what is true about the angles opposite those equal sides?
They have equal measures.
quadrilateral with two pairs of parallel sides
parallelogram
number of degrees in a circle
360
rhombus with four right angles
square
equilateral parallelogram
rhombus