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| divides an angle into two congruent angles |
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| divides a line segment into two congruent segments |
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| four right angles and two pair of parallel sides |
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| two pairs or parallel sides |
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| four right angles, four congruent sides, and two pair of parallel sides. |
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| four congruent sides, and two pairs of parallel sides |
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| one pair of parallel sides |
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| congruent, if two parallel lines are cut by a transversal |
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| Alternate interior angles are |
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Definition
| congruent, if two parallel lines are cut by a transversal |
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| Alternate exterior angles are |
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Definition
| congruent, if two parallel lines are cut by a transversal |
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| two angles whose measure adds up to 180° |
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| two angles whose measure adds up to 90° |
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| Two angles that have equal measure are |
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| Two segments that have equal lengths are |
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| The interior angles in a triangle add up to |
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If a triangle has sides A, B, & C, and
A ≤ B ≤ C |
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| all sides congruent and all angles congruent |
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| The measure of the exterior angles of a regular polygon add up to |
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| Leg squared plus leg squared equals hypotenuse squared |
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| two lines that intersect and form a right angle |
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| two lines that are coplanar and don't intersect are parallel |
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| A = B and B = C, then A = C |
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| the flat surface of three dimensional figure or solid |
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| the point of an angle where the lines, segments, or rays intersect |
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| has a square base and four triangular faces, or a triangular base and three triangular faces |
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| a three dimensional figure rising to a point from a circular base, as in ice cream cone :) |
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| a solid with two parallel bases and lateral surfaces that are parallelograms |
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| the area of all the surfaces of a three-dimensional figure added together |
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| three dimensional figure with a circular base and top, and perpendicular sides, as in a can :) |
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| a numeral written with a square root sign |
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| the factor of a square, 3 is the square root of 9 |
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| the side opposite the right angle in a right triangle |
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| in a right triangle, the legs squared and added together equal the hypotenuse squared |
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| assumed to be true, but cannot be proven, an observation |
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| same as a postulate, known to be true but cannot be proven |
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| a statement that can be proven true by the use of postulates |
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