basic symbols used in geometry
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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∟ | Right Angle
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∠ | Angle
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|| | Parallel lines (two lines that never touch)
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⊥ | Perpendicular lines (two lines that meet at a 90 degree angle)
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O | degree (what angles are measured in)
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Δ | Triangle
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~ | Similar (same shape, but different sizes)
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≅ | Congruent (exactly the same shape and size)
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__ with AB below | Line segment named by endpoints A and B
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↔ with AB below | Never ending line named by two points A and B
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→ with AB below | Ray: a line with one end point at A and continues forever towards point B
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• | A point, generally named by a using a letter
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m∠ | measure of the angle
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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:
rillajane
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