Chapter 5 Geometry Vocabulary
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Hypotenuse | The side opposite the right angle in a right triangle
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| Legs of Right Triangle | The two sides of a right triangle that make up the right angle
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| Equidistant | When a point is the same distance from one line as it is from another line
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| Midpoint | The point on a segment that divides the segment into two equal segments
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| Proof | A convincing argument that shows why a statement is true
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| Perpendicular Bisector | A segment, ray, or line that is forms 90 degree angles to a segment at its midpoint
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| Angle Bisector | The line, ray, or segment that cuts an angle into two equal halves.
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| Vertex | A point that joins two sides of a triangle
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| Parallel | When these lines are cut by a transversal, then alternate interior angles are congruent.
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| Congruent Figures | Figures where all pairs of corresponding angles and corresponding sides are congruent.
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| Perpendicular | Two lines that intersect to form a right angle.
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| Distance from a Point to a Line | Measured by the length of the perpendicular segment from the point to the line.
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| Corresponding Parts | The "matching" sides or angles
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| Reflexive Property | BA = BA
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| Symmetric Property | BA = AB
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| Segment Bisector | A segment, ray, line, or plane that intersects a segment at its midpoint.
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| Vertical Angles | Two non-adjacent angles created by intersecting lines that share the same vertex; these angles are congruent.
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| Postulate 12 SSS | When 3 sides of a triangle are congruent to 3 sides of another triangle, the triangles are congruent.
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| Postulate 13 SAS | When 2 sides and an included angle of one triangle are congruent to the same on another, then the triangles are congruent.
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| Postulate 14 ASA | When 2 angles and an included side of one triangle are congruent to the same on another, then the triangles are congruent.
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| Theorem 5.1 AAS | When 2 angles and an a non-included side of one triangle are congruent to the same on another, then the triangles are congruent.
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| Theorem 5.2 HL | When the hypotenuse and a leg of a right triangle are congruent to the same on another right triangle, then the triangles are congruent.
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| Theorem 5.3 Angle Bisector Theorem | If a point is on the bisector of an angle, then it is equidistant from the two sides of the angle.
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| Theorem 5.4 Perpendicular Bisector Theorem | If a point is on the perpendicular bisector of a segment, then it is equidistant from the endpoints of the segment.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
HowardGeometry
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