Fisk Math Chapter 9 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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| acute angle | an angle with a measure greater than 0º and less than 90º
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| acute triangle | a triangle having three acute angles
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| angle | two rays with a common endpoint (vertex)
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| complementary angles | two angles having the sum of their measures equaling 90º
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| congruent angles | angles with the same measure
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| congruent figures | figures that are the same size and shape
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| congruent segments | line segments that have the same length
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| corresponding sides | the parts of the congruent or similar figures that match
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| degree | the most common unit of measure for angles
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| equilateral triangle | a triangle having all three sides congruent and all three angles congruent
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| isosceles triangle | a triangle in which at least two sides are congruent
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| line segment | a straight path between two endpoints
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| obtuse angle | an angle that measures greater than 90º but less than 180º
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| obtuse triangle | a triangle having one obtuse angle
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| parallelogram | a quadrilateral that has both pairs of opposite sides congruent and parallel
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| quadrilateral | a polygon with four sides
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| rectangle | a quadrilateral with opposite sides congruent and parallel and all angles are right angles
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| rhombus | a parallelogram with all sides congruent
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| right angle | an angle that measures 90º
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| right triangle | a triangle having one right angle
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| scalene triangle | a triangle in which no sides are congruent
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| side | a ray that is part of an angle
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| similar figures | figures that have the same shape but different sides.
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| square | a parallelogram with all sides congruent, all angles right angles, and opposite sides parallel
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| straight angle | an angle that measures exactly 180º
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| supplementary angles | two angles whose sum of their measure is 180º
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| tessellation | a pattern formed by repeating figures that fit together without gaps or overlaps
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| trapezoid | a quadrilateral with one pair of opposite sides parallel
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| vertex | the common endpoint of the two rays that form an angle
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| vertical angles | nonadjacent angles formed by a pair of lines that intersect
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| adjacent angles | two angles that share a common vertex and one ray
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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.
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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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