Geometry Vocabulary for Katharine
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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| What is a simple, closed figure formed by joining 3 or more segments | polygon
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| What are the segments that form a polygon | sides
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| What is the corner where 2 sides meet | vertex
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| What is a straight set of points that goes on in 2 opposite directions forever | line
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| What is a part of a line that has 2 end points and whose length can be measured | line segment
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| What is a part of a line with a beginning but no ending | ray
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| What are lines that are the same distance apart and will never touch | parallel lines
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| What are lines that connect at a common point (vertex) | intersecting lines
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| What are intersecting lines that cross at 90 degree angles | perpendicular lines
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| What is a polygon whose sides and angles are all the same measure | regular polygon
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| A triangle with 3 sides of equal length and 3 angles of equal measure | equilateral
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| A triangle with 2 sides of equal length and 2 angles of equal measure | isosceles
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| A triangle with no sides the same length or angles the same measure | scalene
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| A triangle with 1 right angle | right
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| A triangle with 3 acute angles | acute
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| A triangle with 1 obtuse angle | obtuse
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| A quadrilateral with exactly one pair of opposite sides parallel | trapezoid
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| A quadrilateral with 2 pairs of opposite parallel sides | parallelogram
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| A parallelogram with 4 congruent sides | rhombus
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| A parallelogram with 4 right angles | rectangle
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| A rectangle with 4 congruent sides | square
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| Two rays with a common vertex as the mid point | angle
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| An angle measuring 90 degrees | right
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| An angle measuring less than 90 degrees | acute
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| An angle measuring more than 90 degrees | obtuse
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| An angle measuring 180 degrees | straight
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| A figure can be folded in half so that both sides match exactly | line symmetry
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| A figure can be rotated around a point and the figure will look exactly the same as it did in its original position | rotational symmetry
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| A transformation that creates a mirror image of a figure across a line | reflection
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| Moves a figure horizontally, vertically, or diagonally | translation
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| Moves a figure by rotating it around a point | rotation
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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:
sdbowen1
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