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18 Cards in this Set
- Front
- Back
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Acute triangle |
In an acute angle all of the angles are acute , all angles measure to 90 |
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Base angles |
2 angles formed by the base and 1of the congruent sides |
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Congruence transformation |
If you slide , flip , or turn a triangle the size and shape do not change |
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Coordinate proof |
A proof that uses graphing and algebra to prove geometric terms |
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Corollary |
A statement that can be easily proved using a theorem |
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Equiangular triangle |
An Acute triangle with all angles are congruent |
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Equilateral triangle |
All of the sides of an equilateral triangle are congruent |
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Congruent triangles |
Triangles that are the same size and shape |
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Exterior angle |
It is formed by one side of a triangle and the extension of another side |
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Flow proof |
Organizes a series of statement in logical order ,starting with given statements |
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Included angle |
An angle between 2 specified sides |
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Included side |
The side of a triangle that is a side of each of 2 angles |
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Isosceles triangle |
At least 2 sides of an isosceles triangle are congruent |
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Obtuse triangle |
The in an obtuse triangle one angle is obtuse |
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Remote interior angles |
The int. angles of the triangle not adjacent to a given ext.angle 1 angle measures to 90 |
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Right triangle |
In a right triangle one angle is right one angle measures to 90 |
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Scalene triangle |
No 2 sides of a scalene triangle are congruent |
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Vertex angle |
The angle formed by congruent sides |
