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63 Cards in this Set
- Front
- Back
point |
a undefined term thought of asa location with no size or dimension |
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line |
an undefined term with infinitive points that is straight. It extends forever in two different directions. It only has length, no wodth or diemension. |
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collinear |
on the same line |
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coplaner |
on the same plane |
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line segment |
2 points and all points between them that are collinear |
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end point |
the poin that ends, (it's on the end of a line) |
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midpoint |
the point on a line that is the same distance from both endpoints |
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bisect |
to divide into congurent points |
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ray |
poin on a line, and all the points that are on a side of point |
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congruent |
when two or more things are the same (they do not have to be coplaner or collinear) |
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angle |
a ray with common end points and the vertex is the point and the rays are the sides |
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measure of a angle |
the mount of rotation from one side to the other |
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reflex measure of an angle |
the other side or larger rotation |
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angle bisector |
a ray that divides an angle into two congruent angles |
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parallel |
2 or more lines in the same plane that will not intersect |
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perpendicular |
2 lines that meet at a 90 degree angle |
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right angle |
an angle that is 90 degrees |
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acute angle |
n angle that is less than 90 degrees |
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obtuse angles |
an angle wider than 90 degrees |
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complementary angles |
2 angles or more that add up to 90 degrees |
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supplementry angles |
two or more angles that add up 180 degrees |
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vertical angles |
angles that have no common sides and that are across from eachother |
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linear pair of angles |
common vertex and sides, the outside rays form a lines |
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shapes with 3 sides |
triangle |
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shapes with 4 sides |
quadrilateral |
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shapes with 5 sides |
pentagon |
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shapes with 6 sides |
hexagon |
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shapes with 7 sides |
heptagon |
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shapes with 8 sides |
octogon |
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shapes with 9 sides |
nonagon |
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shapes with 10 sides |
decagon |
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shapes with 11 sides |
undecagon |
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shapes with 12 sides |
dodecagon |
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shapes with n sides |
n-gon |
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polygon |
a closed two diemensional shape ith no overlapping sides and staright sides, it must be closed |
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diagonal |
a line that connects non-consecutive veticies |
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convex polygon |
interior diagonal |
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concave polygon |
exterior polygon |
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equilateral polygon |
all sides are congruent |
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equinanglular polygon |
all angles are equal |
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regular polygon |
equal sides and shapes |
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right triangle |
one side is 90 degrees |
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acute triangle |
all angles less than 90 degrees |
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obtuse triangle |
one angle more than 90 degrees |
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scalene triangles |
each side's that are unequal |
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equilateral triangle |
equal sides and angles |
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isoceles triangle |
2 sides equal |
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trapezoid |
1 set of parealle sides |
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kite |
2 sets of adjacent sides |
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parallelogram |
opposite sides parealle |
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rhombus |
2 sets of paraell sides and all sides are congruent |
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rectangle |
all angles are 90 degrees, and 2 sets of paaraell and congruent sides |
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square |
all angles are 90 degrees and all sides are equal |
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circle |
all the points that are equal distance from another point called the center |
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chord |
segmants with endpoints on the circle |
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diameter |
chord that goes through the center |
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tangent |
a line segment witha point on or in the circle |
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concentric circle |
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arc |
part of circle |
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semicircle |
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major arc |
arc that is greater than 180 |
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minor arc |
ars that is less than 180 degrees |
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central angle |
an angle within the circle |