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59 Cards in this Set
- Front
- Back
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segment that joins two nonconsecutive vertices
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diagonal
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extends indefinately in two directions and has no width or thickness
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line
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statement that must be proven before it is excepted as true
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theorem
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polygon with five sides
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pentagon
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given n acute angle ina right triangle the adjacent/hypotenuse
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cosine
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polygon with four sides
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quadrilateral
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statement that describes a findemental property of a basic term in geometry
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postulate
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statement that can be written in if-then form
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conditional
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triangle with three congruent sides
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equilateral
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lines that intersect, but do not form right angles
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oblique
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exact location in space
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point
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linea that intersect to form a right angle
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perpendicular
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quadrilateral with exactly one pair of opposite parallel sides
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trapezoid
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polygon with ten sides
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decagon
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distance around a polygon
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perimeter
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distance from the center of a polygon to the side of a polygon
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apothem
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number of square units contained in the interior
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area
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set of all points in a plane, a given distance from a given center point
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circle
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line that intersects a circle in two points
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secant
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corresponding angles are congruent and corresponding sides are proportional
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similar
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A=╥r2
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area of a circle
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line that intersects a circle in exactly one point
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tangent of a circle
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chord that passes through the center of a circle
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diameter
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given an acute angle ina right triangle the opposite/adjacent
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tangent
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A=LW
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rectangle
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distance around a circle
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circumfrence
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number of cubic units in the interior
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volume
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circles that have the same center but different radii
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concentric circle's
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segment with endpoints on the circle
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chord
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word that has a meaning that is readily understood
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undefned term
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sum of the angles is 180°
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supplementary angles
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two lines that do not lie in that same plane
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skew lines
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triangle with at least two congruent sides
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isosceles triangle
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never ending straight path in one direction
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ray
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comparison of two ratios
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proportion
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parallelogram with four right angles
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rectangle
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coplanar lines that do not intersect
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parallel
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side opposite the right angle in a right triangle
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hypotenuse
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point where the sides of a triangle intersect
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vertex
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two different rays that have the same initial point
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angle
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sum of their measures is 90°
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complementary angles
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parallelogram that is both a rhombus and a rectangle
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square
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parallelogram that has four congruent sides
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rhombus
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comparison of two quantities
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ratio
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A=1/2 bh
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area of a triangle
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a2+b2=c2
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pythagorean theorem
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quadrilateral with opposite sides parallel
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parallelogram
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polygon with eight sides
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octagon
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segment tha is perpendicular to a segment at its midpoint
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perpendicular bisector
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set of all pints in space that are a given distance from a given center point
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sphere
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list the five ways to prove triangles are congruent.
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SSS
SAS AAS ASA HL |
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list the five regular polyhedrons.
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tetrahedron
hexahedron octahedron dodecahedron icosahedron |
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what is reflection?
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a flip
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what is translation?
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a slide
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what is a rotaion?
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a turn
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what is the pythagorean theorem?
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a2+b2=c2
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what is the 30-60-90 ratio?
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x, x√2, 2x
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what is the 45-45-90 ratio?
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x, x, x√2
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when is the test
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May 18, 2011
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