Term
| Two lines always lie in the same plane. |
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Definition
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Term
| There are lines which do not intersect each other. |
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Definition
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Term
| If three points are collinear, then they are coplanar. |
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Definition
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Term
| Any two points are collinear. |
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Definition
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Term
| A line has two endpoints. |
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Definition
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Term
| Given two points, there is more than one plane containing them. |
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Definition
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Term
| If two comp. angles are congruent then each is a right angle. |
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Definition
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Term
| If AB and CD intersect O, then m |
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Definition
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Term
| If two angles have the same measure, then they are vertical angles. |
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Definition
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Term
| Vertical angles are never supplementary. |
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Definition
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Term
| The bisector of the vertex angle of an isosceles triangle bisects the base and it is perpendicular to the base. |
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Definition
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Term
| The base angles of an isosceles triangle are acute |
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Definition
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Term
| An altitude of a triangle lies in the interior of the triangle. |
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Definition
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Term
| If the three angles of a triangle have unequal measures, then no two sides of the triangle are congruent. |
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Definition
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Term
| Two lines which are perpendicular to a third line are parallel. |
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Definition
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Term
| Every right triangle has two acute angles. |
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Definition
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Term
| The longest side of any triangle is called the hypotenuse. |
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Definition
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Term
| The median of a triangle bisects the side to which it is drawn. |
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Definition
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Term
| Each side of an angle is a ray. |
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Definition
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Term
| The diagonals of a square are perpendicular to each other. |
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Definition
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Term
| A square is a parallelogram |
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Definition
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Term
| If two consecutive angles of a quad are right angles, then the quad is a parallelogram. |
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Definition
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Term
| if a diagonal of a parallelogram divides it into two isosceles triangles, the parallelogram is a rhombus. |
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Definition
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Term
| if each pair of opposite sides of a quadrilateral are congruent, then the quadrilateral is a parallelogram. |
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Definition
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Term
| Opposite angles of a parallelogram are congruent. |
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Definition
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Term
| If the diagonals of a quad are perpendicular and congruent, then the quad is a square. |
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Definition
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Term
| A diagonal of a parallelogram bisects two of its angles. |
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Definition
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Term
| A quad with three right angles is a rectangle |
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Definition
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Term
| If a quad has a pair of opposite sides parallel and a pair of opposite sides congruent, then the quad is a parallelogram |
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Definition
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