Vocabulary for Chapter 4 - Congruent Triangles - (part 1)
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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| Triangle | A polygon with three sides.
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| Scalene Triangle | A triangle with no congruent sides.
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| Isosceles Triangle | A triangle that has, at most, two congruent sides.
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| Equilateral Triangle | A triangle with three congruent sides.
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| Acute Triangle | A triangle with all three angles measuring between 0 & 90 degrees.
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| Right Triangle | A triangle with one angle measuring 90 degrees.
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| Obtuse Triangle | A triangle with one angle measuring between 90 & 180 degrees.
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| Equiangular Triangle | A triangle with three congruent angles.
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| Vertex Angle | The noncongruent angle opposite the base of an isosceles triangle.
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| Base Angles | The two angles that are adjacent to the base of an isosceles triangle.
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| Base | The noncongruent side of an isosceles triangle.
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| Legs | The two congruent sides of an isosceles triangle.
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| Triangle Sum Theorem | The sum of the measures of the angles of a triangle is 180 degrees.
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| Exterior Angle Theorem | The measure of each exterior angle of a triangle equals the sum of the measures of its two remote interior angles.
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| Interior Angles | The orginial angles of a polygon after the sides are extended.
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| Exterior Angles | The angles that form linear pairs with the interior angles.
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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:
hillap
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