Triangle Properties
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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| show | All angles are less than 90 degrees
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| Right Triangles | show 🗑
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| Obtuse Triangles | show 🗑
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| Scalene Triangles | show 🗑
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| show | Two sides are congruent.
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| Equilateral Triangles | show 🗑
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| show | All three interior angles add up to 180 degrees.
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| Exterior Angle Theorem | show 🗑
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| show | Two angles of a triangle are congruent if and only if two sides of a triangle are congruent.
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| Altitude | show 🗑
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| Angle Bisector | show 🗑
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| show | The point of concurrency that is formed by the three medians of the triangle and is the center of gravity.
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| show | The point of concurrency that is formed by the perpendicular bisectors.
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| show | The special line in a triangle that includes three points of concurrency: circumcenter, centroid, and orthocenter.
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| Incenter | show 🗑
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| Median | show 🗑
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| Midsegment | show 🗑
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| Orthocenter | show 🗑
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| Perpendicular Bisector | show 🗑
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| Triangle Inequality Theorem | show 🗑
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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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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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