Geo Terms
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| Acute Triangle | A triangle for which all interior angles measure less than 90 degrees
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| Alternate Exterior Angles | Exterior angles on alternate sides of the transversal
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| Alternate Interior Angles | Interior angles on alternate sides of the transversal
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| Altitude of Triangle | Straight line through a vertex and perpendicular to a line containing the base of a triangle
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| Angle Bisector Theorem (ABT) | Concerning the lengths of the two segments that a triangle's side is divided into by a line that bisects the opposite angle & equates their lengths to the lengths of the other sides of the triangle
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| ABT Converse | If a point is equidistant from the sides of an angle, then it is on the angle bisector
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| Angle | Formed by two rays, called the sides of the angle, sharing a common endpoint, called the vertex of the angle
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| Arc | A closed segment of a differential curve in the two-dimensional plane
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| Area | Any particular extent of space or surface
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| Bisector | A line that divides something into two equal parts
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| Center of a Polygon | In a rotation, the point that does not move. The rest of the plane rotates around this fixed point
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| Centroid of a Triangle | The point where the three medians of the triangle intersect
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| Circumcenter of a triangle | The point where the three perpendicular bisectors of a triangle meet
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| Circumference | A complete circular arc; also the distance around the outside of a circle
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| Circumscribed | A geometric figure that is drawn around another geometric figure as to touch all its vertices
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| Combination | A way of selecting several things out of a larger group, where order does not matter
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| Common Parts | Informational language that describes similarities, differences, parts, and other attributes of two and three dimensional shapes, in different sizes and orentation
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| Compass | An instrument for drawing circles and arcs and measuring distances between points, consisting of two arms linked by a moving joint
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| Compliment Probability | In the probability theory, the compliment of any event A is the event [not A], i.e. the event that A does not occur
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| Complementary Angles | Two angles that add up to 90 degrees
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| Composition | The combining of distinct parts or elements to create a whole
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| Compound Event | An event whose probability of occurrence depends upon the probability of occurrence of two or more independent events
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| Compression | To reduce a shape in size while retaining proportions
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| Conditional Probability | The probability that an event will occur, when another event is known to occur or to have occured
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| Conditional Probability Formula | The conditional probability of A given B is denoted by P(AIB) and defined by the formula P(AIB)=P(AB) P(B), provided P(B)>o
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| Congruence by AAS, ASA, SAS, SSS | Triangles are congruent if any pair of corresponding sides and their included angles are equal in both triangles
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| Congruent | Identical in form
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| Construction | The drawing of various shapes using only a straight edge and compass (no measurement of lengths or angles is allowed)
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| Coordinates | On the coordinate plane, the pair of numbers giving the location of a point (ordered pair)
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| Corresponding Angles | The angles in matching corners of a transversal
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